CVE-2022-20952 (GCVE-0-2022-20952)
Vulnerability from cvelistv5
Published
2023-02-16 15:27
Modified
2024-08-03 02:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked.
This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and receiving malformed HTTP responses. A successful exploit could allow the attacker to bypass an explicit block rule and receive traffic that should have been rejected by the device.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Secure Web Appliance |
Version: 11.8.0-414 Version: 11.8.1-023 Version: 11.8.3-018 Version: 11.8.3-021 Version: 12.0.1-268 Version: 12.0.3-007 Version: 12.5.2-007 Version: 12.5.1-011 Version: 12.5.4-005 Version: 12.5.5-004 Version: 14.5.0-498 Version: 14.0.3-014 Version: 14.0.2-012 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T02:31:59.019Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "cisco-sa-wsa-bypass-bwBfugek",
"tags": [
"x_transferred"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Cisco Secure Web Appliance",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "11.8.0-414"
},
{
"status": "affected",
"version": "11.8.1-023"
},
{
"status": "affected",
"version": "11.8.3-018"
},
{
"status": "affected",
"version": "11.8.3-021"
},
{
"status": "affected",
"version": "12.0.1-268"
},
{
"status": "affected",
"version": "12.0.3-007"
},
{
"status": "affected",
"version": "12.5.2-007"
},
{
"status": "affected",
"version": "12.5.1-011"
},
{
"status": "affected",
"version": "12.5.4-005"
},
{
"status": "affected",
"version": "12.5.5-004"
},
{
"status": "affected",
"version": "14.5.0-498"
},
{
"status": "affected",
"version": "14.0.3-014"
},
{
"status": "affected",
"version": "14.0.2-012"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked.\r\n\r This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and receiving malformed HTTP responses. A successful exploit could allow the attacker to bypass an explicit block rule and receive traffic that should have been rejected by the device."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Improper Input Validation",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-25T16:57:24.396Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-wsa-bypass-bwBfugek",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek"
}
],
"source": {
"advisory": "cisco-sa-wsa-bypass-bwBfugek",
"defects": [
"CSCwc54898"
],
"discovery": "INTERNAL"
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2022-20952",
"datePublished": "2023-02-16T15:27:16.003Z",
"dateReserved": "2021-11-02T13:28:29.194Z",
"dateUpdated": "2024-08-03T02:31:59.019Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2022-20952\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2023-03-01T08:15:10.270\",\"lastModified\":\"2024-11-21T06:43:54.277\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked.\\r\\n\\r This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and receiving malformed HTTP responses. A successful exploit could allow the attacker to bypass an explicit block rule and receive traffic that should have been rejected by the device.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.8\",\"versionEndExcluding\":\"14.0.4\",\"matchCriteriaId\":\"F123F722-4765-49AE-AFE7-C889F3658C57\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:asyncos:14.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"23EC2FAD-D9BF-450F-989E-ED862E263F4E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:s195:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9797CD28-48A3-45BD-BF68-F0DF6F5A5579\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:s395:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C6D20279-8176-449A-AF4C-E2C90F370B30\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:s695:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D9408ADA-7A8F-4528-8236-65713CF642D5\"}]}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
Loading…
Loading…