CVE-2026-23687 (GCVE-0-2026-23687)

Vulnerability from cvelistv5 – Published: 2026-02-10 03:02 – Updated: 2026-02-10 03:02
VLAI?
Title
XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform
Summary
SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
sap
Impacted products
Vendor Product Version
SAP_SE SAP NetWeaver AS ABAP and ABAP Platform Affected: SAP_BASIS 700
Affected: SAP_BASIS 701
Affected: SAP_BASIS 702
Affected: SAP_BASIS 731
Affected: SAP_BASIS 740
Affected: SAP_BASIS 750
Affected: SAP_BASIS 751
Affected: SAP_BASIS 752
Affected: SAP_BASIS 753
Affected: SAP_BASIS 754
Affected: SAP_BASIS 755
Affected: SAP_BASIS 756
Affected: SAP_BASIS 757
Affected: SAP_BASIS 758
Affected: SAP_BASIS 804
Affected: SAP_BASIS 816
Affected: SAP_BASIS 916
Affected: SAP_BASIS 917
Affected: SAP_BASIS 918
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SAP NetWeaver AS ABAP and ABAP Platform",
          "vendor": "SAP_SE",
          "versions": [
            {
              "status": "affected",
              "version": "SAP_BASIS 700"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 701"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 702"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 731"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 740"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 750"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 751"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 752"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 753"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 754"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 755"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 756"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 757"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 758"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 804"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 816"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 916"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 917"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 918"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.\u003c/p\u003e"
            }
          ],
          "value": "SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347: Improper Verification of Cryptographic Signature",
              "lang": "eng",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-10T03:02:47.674Z",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
        "shortName": "sap"
      },
      "references": [
        {
          "url": "https://me.sap.com/notes/3697567"
        },
        {
          "url": "https://url.sap/sapsecuritypatchday"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2026-23687",
    "datePublished": "2026-02-10T03:02:47.674Z",
    "dateReserved": "2026-01-14T18:26:17.297Z",
    "dateUpdated": "2026-02-10T03:02:47.674Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23687\",\"sourceIdentifier\":\"cna@sap.com\",\"published\":\"2026-02-10T04:16:03.180\",\"lastModified\":\"2026-02-10T15:22:54.740\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cna@sap.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"cna@sap.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-347\"}]}],\"references\":[{\"url\":\"https://me.sap.com/notes/3697567\",\"source\":\"cna@sap.com\"},{\"url\":\"https://url.sap/sapsecuritypatchday\",\"source\":\"cna@sap.com\"}]}}"
  }
}


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