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CVE-2021-27626

Estado: ModificadaMedia (5.9)—

SAP Internet Graphics Service, versions - 7.20,7.20EXT,7.53,7.20_EX2,7.81, allows an unauthenticated attacker after retrieving an existing system state value can submit a malicious IGS request over a network which due to insufficient input validation in method CMiniXMLParser::Parse() which will trigger an internal memory corruption error in the system causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

SAP — Netweaver AS Internet Graphics Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-27626",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "type": "Secondary",
        "source": "cna@sap.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
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  },
  "affected": [
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      "source": "cna@sap.com",
      "affectedData": [
        {
          "vendor": "SAP SE",
          "product": "SAP Internet Graphics Service",
          "versions": [
            {
              "status": "affected",
              "version": "< 7.20"
            },
            {
              "status": "affected",
              "version": "< 7.20EXT"
            },
            {
              "status": "affected",
              "version": "< 7.53"
            },
            {
              "status": "affected",
              "version": "< 7.20_EX2"
            },
            {
              "status": "affected",
              "version": "< 7.81"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-09T14:15:08.717",
  "references": [
    {
      "url": "https://launchpad.support.sap.com/#/notes/3021050",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "cna@sap.com"
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/3021050",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@sap.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP Internet Graphics Service, versions - 7.20,7.20EXT,7.53,7.20_EX2,7.81, allows an unauthenticated attacker after retrieving an existing system state value can submit a malicious IGS request over a network which due to insufficient input validation in method CMiniXMLParser::Parse() which will trigger an internal memory corruption error in the system causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified."
    },
    {
      "lang": "es",
      "value": "SAP Internet Graphics Service, versiones - 7.20,7.20EXT, 7.53,7.20_EX2,7.81, permite a un atacante no autenticado después de recuperar un valor de estado del sistema existente pueda enviar una petición IGS maliciosa a través de una red que debido a una comprobación insuficiente de entrada en el método CMiniXMLParser:: Parse() que desencadenará un error de corrupción de la memoria interna en el sistema, causando el bloqueo del sistema y hacer que no esté disponible.&#xa0;En este ataque, ningún dato del sistema puede ser visualizado o modificado"
    }
  ],
  "lastModified": "2026-06-17T03:45:15.360",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}