CVE-2024-20312
Vulnerability from cvelistv5
Published
2024-03-27 16:56
Modified
2024-11-01 14:08
Severity ?
EPSS score ?
Summary
A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Cisco | IOS |
Version: 15.2(1)S Version: 15.2(2)S Version: 15.2(1)S1 Version: 15.2(4)S Version: 15.2(1)S2 Version: 15.2(2)S1 Version: 15.2(2)S2 Version: 15.2(2)S0a Version: 15.2(2)S0c Version: 15.2(4)S1 Version: 15.2(4)S4 Version: 15.2(4)S6 Version: 15.2(4)S2 Version: 15.2(4)S5 Version: 15.2(4)S3 Version: 15.2(4)S3a Version: 15.2(4)S4a Version: 15.2(4)S7 Version: 15.3(1)T Version: 15.3(2)T Version: 15.3(1)T1 Version: 15.3(1)T2 Version: 15.3(1)T3 Version: 15.3(1)T4 Version: 15.3(2)T1 Version: 15.3(2)T2 Version: 15.3(2)T3 Version: 15.3(2)T4 Version: 15.1(2)SG Version: 15.1(2)SG1 Version: 15.1(2)SG2 Version: 15.1(2)SG3 Version: 15.1(2)SG4 Version: 15.1(2)SG5 Version: 15.1(2)SG6 Version: 15.1(2)SG7 Version: 15.1(2)SG8 Version: 15.2(4)M Version: 15.2(4)M1 Version: 15.2(4)M2 Version: 15.2(4)M4 Version: 15.2(4)M3 Version: 15.2(4)M5 Version: 15.2(4)M8 Version: 15.2(4)M10 Version: 15.2(4)M7 Version: 15.2(4)M6 Version: 15.2(4)M9 Version: 15.2(4)M6a Version: 15.2(4)M11 Version: 15.0(1)EX Version: 15.2(3)GC Version: 15.2(3)GC1 Version: 15.2(4)GC Version: 15.2(4)GC1 Version: 15.2(4)GC2 Version: 15.2(4)GC3 Version: 15.1(1)SY Version: 15.1(1)SY1 Version: 15.1(2)SY Version: 15.1(2)SY1 Version: 15.1(2)SY2 Version: 15.1(1)SY2 Version: 15.1(1)SY3 Version: 15.1(2)SY3 Version: 15.1(1)SY4 Version: 15.1(2)SY4 Version: 15.1(1)SY5 Version: 15.1(2)SY5 Version: 15.1(2)SY4a Version: 15.1(1)SY6 Version: 15.1(2)SY6 Version: 15.1(2)SY7 Version: 15.1(2)SY8 Version: 15.1(2)SY9 Version: 15.1(2)SY10 Version: 15.1(2)SY11 Version: 15.1(2)SY12 Version: 15.1(2)SY13 Version: 15.1(2)SY14 Version: 15.1(2)SY15 Version: 15.1(2)SY16 Version: 15.3(1)S Version: 15.3(2)S Version: 15.3(3)S Version: 15.3(1)S2 Version: 15.3(1)S1 Version: 15.3(2)S2 Version: 15.3(2)S1 Version: 15.3(3)S1 Version: 15.3(3)S2 Version: 15.3(3)S3 Version: 15.3(3)S6 Version: 15.3(3)S4 Version: 15.3(3)S1a Version: 15.3(3)S5 Version: 15.3(3)S7 Version: 15.3(3)S8 Version: 15.3(3)S9 Version: 15.3(3)S10 Version: 15.3(3)S8a Version: 15.4(1)T Version: 15.4(2)T Version: 15.4(1)T2 Version: 15.4(1)T1 Version: 15.4(1)T3 Version: 15.4(2)T1 Version: 15.4(2)T3 Version: 15.4(2)T2 Version: 15.4(1)T4 Version: 15.4(2)T4 Version: 15.2(1)E Version: 15.2(2)E Version: 15.2(1)E1 Version: 15.2(3)E Version: 15.2(1)E2 Version: 15.2(1)E3 Version: 15.2(2)E1 Version: 15.2(4)E Version: 15.2(3)E1 Version: 15.2(2)E2 Version: 15.2(2)E3 Version: 15.2(2a)E2 Version: 15.2(3)E2 Version: 15.2(3a)E Version: 15.2(3)E3 Version: 15.2(4)E1 Version: 15.2(2)E4 Version: 15.2(2)E5 Version: 15.2(4)E2 Version: 15.2(3)E4 Version: 15.2(5)E Version: 15.2(4)E3 Version: 15.2(2)E6 Version: 15.2(5)E1 Version: 15.2(2)E5a Version: 15.2(3)E5 Version: 15.2(2)E5b Version: 15.2(5a)E1 Version: 15.2(4)E4 Version: 15.2(2)E7 Version: 15.2(5)E2 Version: 15.2(6)E Version: 15.2(5)E2b Version: 15.2(4)E5 Version: 15.2(5)E2c Version: 15.2(2)E8 Version: 15.2(6)E0a Version: 15.2(6)E1 Version: 15.2(2)E7b Version: 15.2(4)E5a Version: 15.2(6)E0c Version: 15.2(4)E6 Version: 15.2(6)E2 Version: 15.2(2)E9 Version: 15.2(4)E7 Version: 15.2(7)E Version: 15.2(2)E10 Version: 15.2(4)E8 Version: 15.2(6)E2a Version: 15.2(7)E1 Version: 15.2(7)E0b Version: 15.2(7)E0s Version: 15.2(6)E3 Version: 15.2(4)E9 Version: 15.2(7)E2 Version: 15.2(7a)E0b Version: 15.2(4)E10 Version: 15.2(7)E3 Version: 15.2(7)E1a Version: 15.2(7b)E0b Version: 15.2(4)E10a Version: 15.2(7)E4 Version: 15.2(8)E Version: 15.2(8)E1 Version: 15.2(7)E5 Version: 15.2(7)E6 Version: 15.2(8)E2 Version: 15.2(4)E10d Version: 15.2(7)E7 Version: 15.2(8)E3 Version: 15.2(7)E8 Version: 15.2(8)E4 Version: 15.2(4)E10e Version: 15.2(7)E9 Version: 15.2(8)E5 Version: 15.4(1)S Version: 15.4(2)S Version: 15.4(3)S Version: 15.4(1)S1 Version: 15.4(1)S2 Version: 15.4(2)S1 Version: 15.4(1)S3 Version: 15.4(3)S1 Version: 15.4(2)S2 Version: 15.4(3)S2 Version: 15.4(3)S3 Version: 15.4(1)S4 Version: 15.4(2)S3 Version: 15.4(2)S4 Version: 15.4(3)S4 Version: 15.4(3)S5 Version: 15.4(3)S6 Version: 15.4(3)S7 Version: 15.4(3)S6a Version: 15.4(3)S8 Version: 15.4(3)S9 Version: 15.4(3)S10 Version: 15.3(3)M Version: 15.3(3)M1 Version: 15.3(3)M2 Version: 15.3(3)M3 Version: 15.3(3)M5 Version: 15.3(3)M4 Version: 15.3(3)M6 Version: 15.3(3)M7 Version: 15.3(3)M8 Version: 15.3(3)M9 Version: 15.3(3)M10 Version: 15.3(3)M8a Version: 15.2(1)EY Version: 15.2(1)SY Version: 15.2(1)SY1 Version: 15.2(1)SY0a Version: 15.2(1)SY2 Version: 15.2(2)SY Version: 15.2(1)SY1a Version: 15.2(2)SY1 Version: 15.2(2)SY2 Version: 15.2(1)SY3 Version: 15.2(1)SY4 Version: 15.2(2)SY3 Version: 15.2(1)SY5 Version: 15.2(1)SY6 Version: 15.2(1)SY7 Version: 15.2(1)SY8 Version: 15.4(1)CG Version: 15.4(1)CG1 Version: 15.4(2)CG Version: 15.5(1)S Version: 15.5(2)S Version: 15.5(1)S1 Version: 15.5(3)S Version: 15.5(1)S2 Version: 15.5(1)S3 Version: 15.5(2)S1 Version: 15.5(2)S2 Version: 15.5(3)S1 Version: 15.5(3)S1a Version: 15.5(2)S3 Version: 15.5(3)S2 Version: 15.5(3)S0a Version: 15.5(3)S3 Version: 15.5(1)S4 Version: 15.5(2)S4 Version: 15.5(3)S4 Version: 15.5(3)S5 Version: 15.5(3)S6 Version: 15.5(3)S6a Version: 15.5(3)S7 Version: 15.5(3)S6b Version: 15.5(3)S8 Version: 15.5(3)S9 Version: 15.5(3)S10 Version: 15.5(3)S9a Version: 15.2(2)EB Version: 15.2(2)EB1 Version: 15.2(2)EB2 Version: 15.2(6)EB Version: 15.5(1)T Version: 15.5(1)T1 Version: 15.5(2)T Version: 15.5(1)T2 Version: 15.5(1)T3 Version: 15.5(2)T1 Version: 15.5(2)T2 Version: 15.5(2)T3 Version: 15.5(2)T4 Version: 15.5(1)T4 Version: 15.2(2)EA Version: 15.2(2)EA1 Version: 15.2(2)EA2 Version: 15.2(3)EA Version: 15.2(4)EA Version: 15.2(4)EA1 Version: 15.2(2)EA3 Version: 15.2(4)EA3 Version: 15.2(5)EA Version: 15.2(4)EA4 Version: 15.2(4)EA5 Version: 15.2(4)EA6 Version: 15.2(4)EA7 Version: 15.2(4)EA8 Version: 15.2(4)EA9 Version: 15.2(4)EA9a Version: 15.5(3)M Version: 15.5(3)M1 Version: 15.5(3)M0a Version: 15.5(3)M2 Version: 15.5(3)M3 Version: 15.5(3)M4 Version: 15.5(3)M4a Version: 15.5(3)M5 Version: 15.5(3)M6 Version: 15.5(3)M7 Version: 15.5(3)M6a Version: 15.5(3)M8 Version: 15.5(3)M9 Version: 15.5(3)M10 Version: 15.5(3)SN Version: 15.6(1)S Version: 15.6(2)S Version: 15.6(2)S1 Version: 15.6(1)S1 Version: 15.6(1)S2 Version: 15.6(2)S2 Version: 15.6(1)S3 Version: 15.6(2)S3 Version: 15.6(1)S4 Version: 15.6(2)S4 Version: 15.6(1)T Version: 15.6(2)T Version: 15.6(1)T0a Version: 15.6(1)T1 Version: 15.6(2)T1 Version: 15.6(1)T2 Version: 15.6(2)T2 Version: 15.6(1)T3 Version: 15.6(2)T3 Version: 15.3(1)SY Version: 15.3(1)SY1 Version: 15.3(1)SY2 Version: 15.6(2)SP Version: 15.6(2)SP1 Version: 15.6(2)SP2 Version: 15.6(2)SP3 Version: 15.6(2)SP4 Version: 15.6(2)SP5 Version: 15.6(2)SP6 Version: 15.6(2)SP7 Version: 15.6(2)SP8 Version: 15.6(2)SP9 Version: 15.6(2)SP10 Version: 15.6(2)SN Version: 15.6(3)M Version: 15.6(3)M1 Version: 15.6(3)M0a Version: 15.6(3)M1b Version: 15.6(3)M2 Version: 15.6(3)M3 Version: 15.6(3)M3a Version: 15.6(3)M4 Version: 15.6(3)M5 Version: 15.6(3)M6 Version: 15.6(3)M7 Version: 15.6(3)M6a Version: 15.6(3)M6b Version: 15.6(3)M8 Version: 15.6(3)M9 Version: 15.2(4)EC1 Version: 15.2(4)EC2 Version: 15.4(1)SY Version: 15.4(1)SY1 Version: 15.4(1)SY2 Version: 15.4(1)SY3 Version: 15.4(1)SY4 Version: 15.5(1)SY Version: 15.5(1)SY1 Version: 15.5(1)SY2 Version: 15.5(1)SY3 Version: 15.5(1)SY4 Version: 15.5(1)SY5 Version: 15.5(1)SY6 Version: 15.5(1)SY7 Version: 15.5(1)SY8 Version: 15.5(1)SY9 Version: 15.5(1)SY10 Version: 15.5(1)SY11 Version: 15.5(1)SY12 Version: 15.7(3)M Version: 15.7(3)M1 Version: 15.7(3)M0a Version: 15.7(3)M3 Version: 15.7(3)M2 Version: 15.7(3)M4 Version: 15.7(3)M5 Version: 15.7(3)M4a Version: 15.7(3)M4b Version: 15.7(3)M6 Version: 15.7(3)M7 Version: 15.7(3)M8 Version: 15.7(3)M9 Version: 15.8(3)M Version: 15.8(3)M1 Version: 15.8(3)M0a Version: 15.8(3)M0b Version: 15.8(3)M2 Version: 15.8(3)M1a Version: 15.8(3)M3 Version: 15.8(3)M2a Version: 15.8(3)M4 Version: 15.8(3)M3a Version: 15.8(3)M3b Version: 15.8(3)M5 Version: 15.8(3)M6 Version: 15.8(3)M7 Version: 15.8(3)M8 Version: 15.8(3)M9 Version: 15.9(3)M Version: 15.9(3)M1 Version: 15.9(3)M0a Version: 15.9(3)M2 Version: 15.9(3)M3 Version: 15.9(3)M2a Version: 15.9(3)M3a Version: 15.9(3)M4 Version: 15.9(3)M3b Version: 15.9(3)M5 Version: 15.9(3)M4a Version: 15.9(3)M6 Version: 15.9(3)M7 Version: 15.9(3)M6a Version: 15.9(3)M6b Version: 15.9(3)M8 Version: 15.9(3)M7a Version: 15.9(3)M8b |
||||
|
|||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-20312",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-03-28T18:01:49.784231Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-11-01T14:08:17.432Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-01T21:59:42.142Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "cisco-sa-isis-sGjyOUHX",
"tags": [
"x_transferred"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "IOS",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "15.2(1)S"
},
{
"status": "affected",
"version": "15.2(2)S"
},
{
"status": "affected",
"version": "15.2(1)S1"
},
{
"status": "affected",
"version": "15.2(4)S"
},
{
"status": "affected",
"version": "15.2(1)S2"
},
{
"status": "affected",
"version": "15.2(2)S1"
},
{
"status": "affected",
"version": "15.2(2)S2"
},
{
"status": "affected",
"version": "15.2(2)S0a"
},
{
"status": "affected",
"version": "15.2(2)S0c"
},
{
"status": "affected",
"version": "15.2(4)S1"
},
{
"status": "affected",
"version": "15.2(4)S4"
},
{
"status": "affected",
"version": "15.2(4)S6"
},
{
"status": "affected",
"version": "15.2(4)S2"
},
{
"status": "affected",
"version": "15.2(4)S5"
},
{
"status": "affected",
"version": "15.2(4)S3"
},
{
"status": "affected",
"version": "15.2(4)S3a"
},
{
"status": "affected",
"version": "15.2(4)S4a"
},
{
"status": "affected",
"version": "15.2(4)S7"
},
{
"status": "affected",
"version": "15.3(1)T"
},
{
"status": "affected",
"version": "15.3(2)T"
},
{
"status": "affected",
"version": "15.3(1)T1"
},
{
"status": "affected",
"version": "15.3(1)T2"
},
{
"status": "affected",
"version": "15.3(1)T3"
},
{
"status": "affected",
"version": "15.3(1)T4"
},
{
"status": "affected",
"version": "15.3(2)T1"
},
{
"status": "affected",
"version": "15.3(2)T2"
},
{
"status": "affected",
"version": "15.3(2)T3"
},
{
"status": "affected",
"version": "15.3(2)T4"
},
{
"status": "affected",
"version": "15.1(2)SG"
},
{
"status": "affected",
"version": "15.1(2)SG1"
},
{
"status": "affected",
"version": "15.1(2)SG2"
},
{
"status": "affected",
"version": "15.1(2)SG3"
},
{
"status": "affected",
"version": "15.1(2)SG4"
},
{
"status": "affected",
"version": "15.1(2)SG5"
},
{
"status": "affected",
"version": "15.1(2)SG6"
},
{
"status": "affected",
"version": "15.1(2)SG7"
},
{
"status": "affected",
"version": "15.1(2)SG8"
},
{
"status": "affected",
"version": "15.2(4)M"
},
{
"status": "affected",
"version": "15.2(4)M1"
},
{
"status": "affected",
"version": "15.2(4)M2"
},
{
"status": "affected",
"version": "15.2(4)M4"
},
{
"status": "affected",
"version": "15.2(4)M3"
},
{
"status": "affected",
"version": "15.2(4)M5"
},
{
"status": "affected",
"version": "15.2(4)M8"
},
{
"status": "affected",
"version": "15.2(4)M10"
},
{
"status": "affected",
"version": "15.2(4)M7"
},
{
"status": "affected",
"version": "15.2(4)M6"
},
{
"status": "affected",
"version": "15.2(4)M9"
},
{
"status": "affected",
"version": "15.2(4)M6a"
},
{
"status": "affected",
"version": "15.2(4)M11"
},
{
"status": "affected",
"version": "15.0(1)EX"
},
{
"status": "affected",
"version": "15.2(3)GC"
},
{
"status": "affected",
"version": "15.2(3)GC1"
},
{
"status": "affected",
"version": "15.2(4)GC"
},
{
"status": "affected",
"version": "15.2(4)GC1"
},
{
"status": "affected",
"version": "15.2(4)GC2"
},
{
"status": "affected",
"version": "15.2(4)GC3"
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{
"status": "affected",
"version": "15.1(1)SY"
},
{
"status": "affected",
"version": "15.1(1)SY1"
},
{
"status": "affected",
"version": "15.1(2)SY"
},
{
"status": "affected",
"version": "15.1(2)SY1"
},
{
"status": "affected",
"version": "15.1(2)SY2"
},
{
"status": "affected",
"version": "15.1(1)SY2"
},
{
"status": "affected",
"version": "15.1(1)SY3"
},
{
"status": "affected",
"version": "15.1(2)SY3"
},
{
"status": "affected",
"version": "15.1(1)SY4"
},
{
"status": "affected",
"version": "15.1(2)SY4"
},
{
"status": "affected",
"version": "15.1(1)SY5"
},
{
"status": "affected",
"version": "15.1(2)SY5"
},
{
"status": "affected",
"version": "15.1(2)SY4a"
},
{
"status": "affected",
"version": "15.1(1)SY6"
},
{
"status": "affected",
"version": "15.1(2)SY6"
},
{
"status": "affected",
"version": "15.1(2)SY7"
},
{
"status": "affected",
"version": "15.1(2)SY8"
},
{
"status": "affected",
"version": "15.1(2)SY9"
},
{
"status": "affected",
"version": "15.1(2)SY10"
},
{
"status": "affected",
"version": "15.1(2)SY11"
},
{
"status": "affected",
"version": "15.1(2)SY12"
},
{
"status": "affected",
"version": "15.1(2)SY13"
},
{
"status": "affected",
"version": "15.1(2)SY14"
},
{
"status": "affected",
"version": "15.1(2)SY15"
},
{
"status": "affected",
"version": "15.1(2)SY16"
},
{
"status": "affected",
"version": "15.3(1)S"
},
{
"status": "affected",
"version": "15.3(2)S"
},
{
"status": "affected",
"version": "15.3(3)S"
},
{
"status": "affected",
"version": "15.3(1)S2"
},
{
"status": "affected",
"version": "15.3(1)S1"
},
{
"status": "affected",
"version": "15.3(2)S2"
},
{
"status": "affected",
"version": "15.3(2)S1"
},
{
"status": "affected",
"version": "15.3(3)S1"
},
{
"status": "affected",
"version": "15.3(3)S2"
},
{
"status": "affected",
"version": "15.3(3)S3"
},
{
"status": "affected",
"version": "15.3(3)S6"
},
{
"status": "affected",
"version": "15.3(3)S4"
},
{
"status": "affected",
"version": "15.3(3)S1a"
},
{
"status": "affected",
"version": "15.3(3)S5"
},
{
"status": "affected",
"version": "15.3(3)S7"
},
{
"status": "affected",
"version": "15.3(3)S8"
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{
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{
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{
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{
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{
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{
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{
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},
{
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{
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},
{
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},
{
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},
{
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{
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},
{
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},
{
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{
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},
{
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},
{
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},
{
"status": "affected",
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},
{
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},
{
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},
{
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},
{
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},
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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},
{
"status": "affected",
"version": "3.11.3E"
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{
"status": "affected",
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{
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},
{
"status": "affected",
"version": "3.11.3aE"
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{
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{
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{
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},
{
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},
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{
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},
{
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},
{
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},
{
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{
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{
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},
{
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},
{
"status": "affected",
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},
{
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},
{
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},
{
"status": "affected",
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},
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},
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},
{
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"version": "17.6.1y"
},
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"status": "affected",
"version": "17.6.1z"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "17.6.4"
},
{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
"version": "17.7.1"
},
{
"status": "affected",
"version": "17.7.1a"
},
{
"status": "affected",
"version": "17.7.1b"
},
{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
"version": "17.10.1a"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "17.8.1"
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
"version": "17.9.1w"
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{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\r\n\r Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "NULL Pointer Dereference",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-03-27T16:56:42.490Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-isis-sGjyOUHX",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX"
}
],
"source": {
"advisory": "cisco-sa-isis-sGjyOUHX",
"defects": [
"CSCwf54007"
],
"discovery": "INTERNAL"
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2024-20312",
"datePublished": "2024-03-27T16:56:42.490Z",
"dateReserved": "2023-11-08T15:08:07.631Z",
"dateUpdated": "2024-11-01T14:08:17.432Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-20312\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2024-03-27T17:15:52.690\",\"lastModified\":\"2024-11-21T08:52:20.100\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\\r\\n\\r Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el protocolo de sistema intermedio a sistema intermedio (IS-IS) del software Cisco IOS y del software Cisco IOS XE podr\u00eda permitir que un atacante adyacente no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a una validaci\u00f3n de entrada insuficiente al analizar un paquete IS-IS de ingreso. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando un paquete IS-IS manipulado a un dispositivo afectado despu\u00e9s de formar una adyacencia. Un exploit exitoso podr\u00eda permitir al atacante hacer que el dispositivo afectado se recargue, lo que resultar\u00eda en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Nota: El protocolo IS-IS es un protocolo de enrutamiento. Para aprovechar esta vulnerabilidad, un atacante debe estar en la Capa 2 adyacente al dispositivo afectado y haber formado una adyacencia.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":4.0},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX\",\"source\":\"ykramarz@cisco.com\"},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-sGjyOUHX\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
}
}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.