FKIE_CVE-2021-33663

Vulnerability from fkie_nvd - Published: 2021-06-09 14:15 - Updated: 2026-06-17 03:54
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
SAP NetWeaver AS ABAP, versions - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83,7.84, allows an unauthorized attacker to insert cleartext commands due to improper restriction of I/O buffering into encrypted SMTP sessions over the network which can partially impact the integrity of the application.
References
cna@sap.comhttps://launchpad.support.sap.com/#/notes/3030604Permissions Required, Vendor Advisory
cna@sap.comhttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://launchpad.support.sap.com/#/notes/3030604Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Vendor Advisory
Impacted products
Vendor Product Version
sap netweaver_application_server_abap kernel_7.22
sap netweaver_application_server_abap kernel_7.49
sap netweaver_application_server_abap kernel_7.53
sap netweaver_application_server_abap kernel_7.73
sap netweaver_application_server_abap kernel_7.77
sap netweaver_application_server_abap kernel_7.81
sap netweaver_application_server_abap kernel_7.82
sap netweaver_application_server_abap kernel_7.83
sap netweaver_application_server_abap kernel_7.84
sap netweaver_application_server_abap kernel_8.04
sap netweaver_application_server_abap krnl32nuc_7.22
sap netweaver_application_server_abap krnl32nuc_7.22ext
sap netweaver_application_server_abap krnl32uc_7.22
sap netweaver_application_server_abap krnl32uc_7.22ext
sap netweaver_application_server_abap krnl64nuc_7.22
sap netweaver_application_server_abap krnl64nuc_7.22ext
sap netweaver_application_server_abap krnl64nuc_7.49
sap netweaver_application_server_abap krnl64uc_7.22
sap netweaver_application_server_abap krnl64uc_7.22ext
sap netweaver_application_server_abap krnl64uc_7.49
sap netweaver_application_server_abap krnl64uc_7.53
sap netweaver_application_server_abap krnl64uc_7.73
sap netweaver_application_server_abap krnl64uc_8.04
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "SAP NetWeaver AS ABAP",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c KRNL32NUC - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 7.22EXT"
            },
            {
              "status": "affected",
              "version": "\u003c KRNL32UC - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c KRNL64NUC - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 7.49"
            },
            {
              "status": "affected",
              "version": "\u003c KRNL64UC - 8.04"
            },
            {
              "status": "affected",
              "version": "\u003c 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 7.53"
            },
            {
              "status": "affected",
              "version": "\u003c 7.73"
            },
            {
              "status": "affected",
              "version": "\u003c KERNEL - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 8.04"
            },
            {
              "status": "affected",
              "version": "\u003c 7.77"
            },
            {
              "status": "affected",
              "version": "\u003c 7.81"
            },
            {
              "status": "affected",
              "version": "\u003c 7.82"
            },
            {
              "status": "affected",
              "version": "\u003c 7.83"
            },
            {
              "status": "affected",
              "version": "\u003c 7.84"
            }
          ]
        }
      ],
      "source": "cna@sap.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "6C07042F-C47F-441E-AB32-B58A066909E2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.49:*:*:*:*:*:*:*",
              "matchCriteriaId": "5370493B-8917-4ACC-9C4B-043BEF7CCCA8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.53:*:*:*:*:*:*:*",
              "matchCriteriaId": "DBC44C62-0BFD-4170-B094-C82DEA473938",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.73:*:*:*:*:*:*:*",
              "matchCriteriaId": "0AE96595-DED1-447A-BD93-2D448356B479",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.77:*:*:*:*:*:*:*",
              "matchCriteriaId": "208F59B2-7D79-4E0E-97DA-AEB9976C8EEA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.81:*:*:*:*:*:*:*",
              "matchCriteriaId": "F39863DC-8CF3-4FB9-8FBF-1776791D701F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.82:*:*:*:*:*:*:*",
              "matchCriteriaId": "CAA2FFEC-D7AE-4F3E-8CCF-29ECB9D38107",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.83:*:*:*:*:*:*:*",
              "matchCriteriaId": "45DF564C-F6DB-4DDD-A196-09FAD239F159",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.84:*:*:*:*:*:*:*",
              "matchCriteriaId": "8FB964D8-83B6-4DCE-B51D-CBD8766A8FBE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_8.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "379FDFC8-947E-4D09-A9DD-4B3F7481F648",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl32nuc_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "79281E01-F573-4296-BC08-C26BC1D28619",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl32nuc_7.22ext:*:*:*:*:*:*:*",
              "matchCriteriaId": "9E12EF81-509D-4BC5-8503-2522AA550C46",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl32uc_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1E9A9E7-8866-4BAF-841B-D4DF142C25DF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl32uc_7.22ext:*:*:*:*:*:*:*",
              "matchCriteriaId": "FF946307-728B-44D6-85D8-0CE8005E5D35",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64nuc_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "C2D5BECF-C4BA-44C7-9AD7-56865DD9AD60",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64nuc_7.22ext:*:*:*:*:*:*:*",
              "matchCriteriaId": "AB7E91DE-A52F-4E57-8397-7670E30C8B5C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64nuc_7.49:*:*:*:*:*:*:*",
              "matchCriteriaId": "AB478A3C-4DD5-4F42-B2F1-9B7CCBA1B995",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "23257C18-B75C-471C-9EAF-1E86DEE845FA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.22ext:*:*:*:*:*:*:*",
              "matchCriteriaId": "A01290A1-3C1B-4AF7-9284-C164BDEC85A2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.49:*:*:*:*:*:*:*",
              "matchCriteriaId": "6D5F8B53-ECAD-4CD2-8F91-25112569C056",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.53:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADE160BD-659F-4517-B625-61CFB2FBD456",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.73:*:*:*:*:*:*:*",
              "matchCriteriaId": "DD525F35-6130-45EC-85ED-7ED8E4B37BDA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_8.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "88CD861F-08FB-4CE1-923C-79D1480A2259",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP NetWeaver AS ABAP, versions - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83,7.84, allows an unauthorized attacker to insert cleartext commands due to improper restriction of I/O buffering into encrypted SMTP sessions over the network which can partially impact the integrity of the application."
    },
    {
      "lang": "es",
      "value": "SAP NetWeaver AS ABAP, versiones - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT, 7.49, KRNL64UC - 8.04,7.22,7.22EXT, 7.49,7.53,7.73, KERNEL - 7.22,8.04 , 7.49,7.53,7.73,7.77,7.81,7.82,7.83,7.84, permite a un atacante no autorizado insertar comandos de texto sin cifrar debido a una restricci\u00f3n inapropiada del almacenamiento en b\u00fafer de E/S en sesiones SMTP cifradas a trav\u00e9s de la red, lo que puede impactar parcialmente la integridad de la aplicaci\u00f3n"
    }
  ],
  "id": "CVE-2021-33663",
  "lastModified": "2026-06-17T03:54:59.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "cna@sap.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-09T14:15:10.010",
  "references": [
    {
      "source": "cna@sap.com",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "url": "https://launchpad.support.sap.com/#/notes/3030604"
    },
    {
      "source": "cna@sap.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "url": "https://launchpad.support.sap.com/#/notes/3030604"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
    }
  ],
  "sourceIdentifier": "cna@sap.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

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