FKIE_CVE-2021-38162

Vulnerability from fkie_nvd - Published: 2021-09-14 12:15 - Updated: 2026-06-17 04:01
Severity
8.9 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
9.4 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Summary
SAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7.83 processes allow an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify any information on the server or consume server resources making it temporarily unavailable.
References
cna@sap.comhttp://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.htmlExploit, Third Party Advisory, VDB Entry
cna@sap.comhttp://seclists.org/fulldisclosure/2022/May/3Exploit, Mailing List, Third Party Advisory
cna@sap.comhttps://launchpad.support.sap.com/#/notes/3080567Permissions Required
cna@sap.comhttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2022/May/3Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://launchpad.support.sap.com/#/notes/3080567Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405Vendor Advisory
Impacted products
Vendor Product Version
sap web_dispatcher 7.22ext
sap web_dispatcher 7.49
sap web_dispatcher 7.53
sap web_dispatcher 7.77
sap web_dispatcher 7.81
sap web_dispatcher 7.83
sap web_dispatcher kernel_7.22
sap web_dispatcher krnl64nuc_7.22
sap web_dispatcher krnl64uc_7.22
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "SAP Web Dispatcher",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "WEBDISP - 7.49"
            },
            {
              "status": "affected",
              "version": "7.53"
            },
            {
              "status": "affected",
              "version": "7.77"
            },
            {
              "status": "affected",
              "version": "7.81"
            },
            {
              "status": "affected",
              "version": "KRNL64NUC - 7.22"
            },
            {
              "status": "affected",
              "version": "7.22EXT"
            },
            {
              "status": "affected",
              "version": "7.49"
            },
            {
              "status": "affected",
              "version": "KRNL64UC -7.22"
            },
            {
              "status": "affected",
              "version": "KERNEL - 7.22"
            },
            {
              "status": "affected",
              "version": "7.83"
            }
          ]
        }
      ],
      "source": "cna@sap.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:7.22ext:*:*:*:*:*:*:*",
              "matchCriteriaId": "D3F76E6A-2F27-450C-AAB5-E49A64079CAC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:7.49:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B4A7850-377C-4463-A5D7-07F516FBD74A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:7.53:*:*:*:*:*:*:*",
              "matchCriteriaId": "47D4D542-2EC2-490B-B4E9-3E7BB8D59B77",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:7.77:*:*:*:*:*:*:*",
              "matchCriteriaId": "E33D9481-3CF6-4AA3-B115-7903AC6DAE25",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:7.81:*:*:*:*:*:*:*",
              "matchCriteriaId": "49FF2A5B-E5F0-4991-9AA3-7CB3B8C62941",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:7.83:*:*:*:*:*:*:*",
              "matchCriteriaId": "65F95ED3-AE34-43A2-AD57-8E0913DDF1D4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:kernel_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2E1A535-8362-454E-AC22-85C4E957CCF5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:krnl64nuc_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CA8BFCF-0A55-4DEE-B426-1DEF04DA0464",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:web_dispatcher:krnl64uc_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "52C58E1D-8A91-451C-A1E1-85BE336DC763",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7.83 processes allow an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify any information on the server or consume server resources making it temporarily unavailable."
    },
    {
      "lang": "es",
      "value": "SAP Web Dispatcher versiones - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7. 83 unos procesos permiten a un atacante no autenticado enviar una petici\u00f3n maliciosa dise\u00f1ada a trav\u00e9s de una red a un servidor front-end que puede, a lo largo de varios intentos, hacer que un servidor back-end confunda los l\u00edmites de los mensajes maliciosos y leg\u00edtimos. Esto puede resultar en que el servidor back-end ejecutar una carga \u00fatil maliciosa que puede ser usada para leer o modificar cualquier informaci\u00f3n en el servidor o consumir recursos del servidor haci\u00e9ndolo temporalmente no disponible"
    }
  ],
  "id": "CVE-2021-38162",
  "lastModified": "2026-06-17T04:01:36.780",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 8.9,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 6.0,
        "source": "cna@sap.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 9.4,
          "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:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-14T12:15:10.740",
  "references": [
    {
      "source": "cna@sap.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html"
    },
    {
      "source": "cna@sap.com",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2022/May/3"
    },
    {
      "source": "cna@sap.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://launchpad.support.sap.com/#/notes/3080567"
    },
    {
      "source": "cna@sap.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/fulldisclosure/2022/May/3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://launchpad.support.sap.com/#/notes/3080567"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405"
    }
  ],
  "sourceIdentifier": "cna@sap.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ],
      "source": "cna@sap.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}



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Sightings

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Nomenclature

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