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GHSA-P7VC-4GR6-G2PX
Vulnerability from github – Published: 2023-09-20 15:30 – Updated: 2025-08-18 15:30
VLAI?
Details
The ANSI C OPC UA SDK contains an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation.
This could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.
Severity ?
{
"affected": [],
"aliases": [
"CVE-2023-28831"
],
"database_specific": {
"cwe_ids": [
"CWE-190"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-09-12T10:15:27Z",
"severity": "HIGH"
},
"details": "The ANSI C OPC UA SDK contains an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation.\n\nThis could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.",
"id": "GHSA-p7vc-4gr6-g2px",
"modified": "2025-08-18T15:30:30Z",
"published": "2023-09-20T15:30:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28831"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-118850.html"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-711309.html"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-118850.pdf"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-711309.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
CVE-2023-28831 (GCVE-0-2023-28831)
Vulnerability from cvelistv5 – Published: 2023-09-12 09:32 – Updated: 2025-11-11 20:20
VLAI?
EPSS
Summary
The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation.
This could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.
Severity ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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"references": [
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"tags": [
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],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-711309.pdf"
},
{
"tags": [
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],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-118850.pdf"
},
{
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],
"url": "https://cert-portal.siemens.com/productcert/html/ssa-711309.html"
},
{
"tags": [
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-118850.html"
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"role": "CISA Coordinator",
"timestamp": "2025-06-25T13:40:30.354718Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-21T13:51:54.314Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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"product": "SIPLUS S7-1500 CPU 1518F-4 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.0.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation.\r\n\r\nThis could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"cvssV4_0": {
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "CWE-190: Integer Overflow or Wraparound",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-11-11T20:20:09.380Z",
"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"shortName": "siemens"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-711309.pdf"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-118850.pdf"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-711309.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-118850.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"assignerShortName": "siemens",
"cveId": "CVE-2023-28831",
"datePublished": "2023-09-12T09:32:06.153Z",
"dateReserved": "2023-03-24T15:17:33.934Z",
"dateUpdated": "2025-11-11T20:20:09.380Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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