Search criteria
5 vulnerabilities by EIPStackGroup
CVE-2026-10703 (GCVE-0-2026-10703)
Vulnerability from cvelistv5 – Published: 2026-06-03 00:30 – Updated: 2026-06-03 12:41
VLAI
Title
EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free
Summary
A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/368016 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/368016/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-10703 | third-party-advisory |
| https://vuldb.com/submit/830921 | third-party-advisory |
| https://github.com/EIPStackGroup/OpENer/issues/566 | issue-tracking |
| https://github.com/user-attachments/files/2710096… | exploit |
| https://github.com/EIPStackGroup/OpENer/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer |
Affected:
2.0
Affected: 2.1 Affected: 2.2 Affected: 2.3.0 cpe:2.3:a:eipstackgroup:opener:*:*:*:*:*:*:*:* |
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-10703",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-03T12:41:07.650967Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-03T12:41:17.854Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:eipstackgroup:opener:*:*:*:*:*:*:*:*"
],
"modules": [
"SendRRData Handler"
],
"product": "OpENer",
"vendor": "EIPStackGroup",
"versions": [
{
"status": "affected",
"version": "2.0"
},
{
"status": "affected",
"version": "2.1"
},
{
"status": "affected",
"version": "2.2"
},
{
"status": "affected",
"version": "2.3.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "QvuQ_lkx (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 6.5,
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "Use After Free",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "Memory Corruption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-03T00:30:10.797Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-368016 | EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/368016"
},
{
"name": "VDB-368016 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/368016/cti"
},
{
"name": "CVE-2026-10703 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-10703"
},
{
"name": "Submit #830921 | Linux OpENer (Open EtherNet/IP Stack) lastet Use After Free",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/830921"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/EIPStackGroup/OpENer/issues/566"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/user-attachments/files/27100961/poc.zip"
},
{
"tags": [
"product"
],
"url": "https://github.com/EIPStackGroup/OpENer/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-02T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-02T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-02T19:47:23.000Z",
"value": "VulDB entry last update"
}
],
"title": "EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-10703",
"datePublished": "2026-06-03T00:30:10.797Z",
"dateReserved": "2026-06-02T17:42:17.882Z",
"dateUpdated": "2026-06-03T12:41:17.854Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2021-27500 (GCVE-0-2021-27500)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:20 – Updated: 2025-04-16 16:22
VLAI
Title
EIPStackGroup OpENer Ethernet/IP Reachable Assertion
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
(custom)
|
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T21:26:09.733Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-27500",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-16T15:56:17.694832Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-16T16:22:11.255Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "OpENer EtherNet/IP",
"vendor": "EIPStackGroup",
"versions": [
{
"lessThan": "Feb 10, 2021",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"descriptions": [
{
"lang": "en",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-617",
"description": "CWE-617: Reachable Assertion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-05-12T19:20:00.000Z",
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"solutions": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EIPStackGroup OpENer Ethernet/IP Reachable Assertion",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "ics-cert@hq.dhs.gov",
"ID": "CVE-2021-27500",
"STATE": "PUBLIC",
"TITLE": "EIPStackGroup OpENer Ethernet/IP Reachable Assertion"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "OpENer EtherNet/IP",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "Feb 10, 2021"
}
]
}
}
]
},
"vendor_name": "EIPStackGroup"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-617: Reachable Assertion"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02",
"refsource": "CONFIRM",
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"name": "https://github.com/EIPStackGroup/OpENer",
"refsource": "CONFIRM",
"url": "https://github.com/EIPStackGroup/OpENer"
}
]
},
"solution": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2021-27500",
"datePublished": "2022-05-12T19:20:00.000Z",
"dateReserved": "2021-02-19T00:00:00.000Z",
"dateUpdated": "2025-04-16T16:22:11.255Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-27498 (GCVE-0-2021-27498)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:18 – Updated: 2025-04-16 16:22
VLAI
Title
EIPStackGroup OpENer Ethernet/IP Reachable Assertion
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
(custom)
|
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T21:26:09.033Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-27498",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-16T15:56:22.180302Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-16T16:22:17.867Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "OpENer EtherNet/IP",
"vendor": "EIPStackGroup",
"versions": [
{
"lessThan": "Feb 10, 2021",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"descriptions": [
{
"lang": "en",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-617",
"description": "CWE-617: Reachable Assertion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-05-12T19:18:38.000Z",
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"solutions": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EIPStackGroup OpENer Ethernet/IP Reachable Assertion",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "ics-cert@hq.dhs.gov",
"ID": "CVE-2021-27498",
"STATE": "PUBLIC",
"TITLE": "EIPStackGroup OpENer Ethernet/IP Reachable Assertion"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "OpENer EtherNet/IP",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "Feb 10, 2021"
}
]
}
}
]
},
"vendor_name": "EIPStackGroup"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-617: Reachable Assertion"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02",
"refsource": "CONFIRM",
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"name": "https://github.com/EIPStackGroup/OpENer",
"refsource": "CONFIRM",
"url": "https://github.com/EIPStackGroup/OpENer"
}
]
},
"solution": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2021-27498",
"datePublished": "2022-05-12T19:18:38.000Z",
"dateReserved": "2021-02-19T00:00:00.000Z",
"dateUpdated": "2025-04-16T16:22:17.867Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-27482 (GCVE-0-2021-27482)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:18 – Updated: 2025-04-16 16:22
VLAI
Title
EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
(custom)
|
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T20:48:17.255Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-27482",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-16T15:56:25.495662Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-16T16:22:25.057Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "OpENer EtherNet/IP",
"vendor": "EIPStackGroup",
"versions": [
{
"lessThan": "Feb 10, 2021",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"descriptions": [
{
"lang": "en",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-05-12T19:18:03.000Z",
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"solutions": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "ics-cert@hq.dhs.gov",
"ID": "CVE-2021-27482",
"STATE": "PUBLIC",
"TITLE": "EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "OpENer EtherNet/IP",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "Feb 10, 2021"
}
]
}
}
]
},
"vendor_name": "EIPStackGroup"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-125: Out-of-bounds Read"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02",
"refsource": "CONFIRM",
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"name": "https://github.com/EIPStackGroup/OpENer",
"refsource": "CONFIRM",
"url": "https://github.com/EIPStackGroup/OpENer"
}
]
},
"solution": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2021-27482",
"datePublished": "2022-05-12T19:18:03.000Z",
"dateReserved": "2021-02-19T00:00:00.000Z",
"dateUpdated": "2025-04-16T16:22:25.057Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-27478 (GCVE-0-2021-27478)
Vulnerability from cvelistv5 – Published: 2022-05-12 19:17 – Updated: 2025-04-16 16:22
VLAI
Title
EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types
Summary
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-681 - Incorrect Conversion between Numeric Types
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://github.com/EIPStackGroup/OpENer | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP |
Affected:
unspecified , < Feb 10, 2021
(custom)
|
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T20:48:17.321Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-27478",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-16T15:56:30.632228Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-16T16:22:32.573Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "OpENer EtherNet/IP",
"vendor": "EIPStackGroup",
"versions": [
{
"lessThan": "Feb 10, 2021",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"descriptions": [
{
"lang": "en",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"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:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-681",
"description": "CWE-681: Incorrect Conversion between Numeric Types",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-05-12T19:17:22.000Z",
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/EIPStackGroup/OpENer"
}
],
"solutions": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "ics-cert@hq.dhs.gov",
"ID": "CVE-2021-27478",
"STATE": "PUBLIC",
"TITLE": "EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "OpENer EtherNet/IP",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "Feb 10, 2021"
}
]
}
}
]
},
"vendor_name": "EIPStackGroup"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"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:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-681: Incorrect Conversion between Numeric Types"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02",
"refsource": "CONFIRM",
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"
},
{
"name": "https://github.com/EIPStackGroup/OpENer",
"refsource": "CONFIRM",
"url": "https://github.com/EIPStackGroup/OpENer"
}
]
},
"solution": [
{
"lang": "en",
"value": "The maintainer of OpENer recommends those affected to apply the latest commits available."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2021-27478",
"datePublished": "2022-05-12T19:17:22.000Z",
"dateReserved": "2021-02-19T00:00:00.000Z",
"dateUpdated": "2025-04-16T16:22:32.573Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}