Refine your search
1 vulnerability found for SAP NetWeaver (Message Server) by SAP_SE
CVE-2026-58240 (GCVE-0-2026-58240)
Vulnerability from cvelistv5
Published
2026-09-08 00:10
Modified
2026-09-09 04:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-308 - Use of Single-factor Authentication
Summary
SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration. An unauthenticated attacker with network access to the affected service could exploit this weakness to register an unauthorized component and potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| SAP_SE | SAP NetWeaver (Message Server) |
Version: KERNEL 9.16 Version: 9.18 Version: 9.19 Version: 9.20 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-58240",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-08T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T04:25:48.754Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "SAP NetWeaver (Message Server)",
"vendor": "SAP_SE",
"versions": [
{
"status": "affected",
"version": "KERNEL 9.16"
},
{
"status": "affected",
"version": "9.18"
},
{
"status": "affected",
"version": "9.19"
},
{
"status": "affected",
"version": "9.20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eSAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration. An unauthenticated attacker with network access to the affected service could exploit this weakness to register an unauthorized component and potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.\u003c/p\u003e"
}
],
"value": "SAP NetWeaver Message Server does not sufficiently validate the authenticity of internal application server components during registration. An unauthenticated attacker with network access to the affected service could exploit this weakness to register an unauthorized component and potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-308",
"description": "CWE-308: Use of Single-factor Authentication",
"lang": "eng",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-08T00:10:55.418Z",
"orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
"shortName": "sap"
},
"references": [
{
"url": "https://me.sap.com/notes/3759472"
},
{
"url": "https://url.sap/sapsecuritypatchday"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Missing Authentication check in SAP NetWeaver (Message Server)",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
"assignerShortName": "sap",
"cveId": "CVE-2026-58240",
"datePublished": "2026-09-08T00:10:55.418Z",
"dateReserved": "2026-06-29T19:35:04.185Z",
"dateUpdated": "2026-09-09T04:25:48.754Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}