GSD-2021-27631

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 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, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
Aliases
Aliases
CVE-2021-27631
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{
  "GSD": {
    "alias": "CVE-2021-27631",
    "description": "SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 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, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.",
    "id": "GSD-2021-27631"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-27631"
      ],
      "details": "SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 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, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.",
      "id": "GSD-2021-27631",
      "modified": "2023-12-13T01:23:35.812979Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cna@sap.com",
        "ID": "CVE-2021-27631",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)",
                    "version": {
                      "version_data": [
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                          "version_name": "\u003c",
                          "version_value": "KRNL32NUC - 7.22"
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                          "version_name": "\u003c",
                          "version_value": "7.22EXT"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "KRNL64NUC - 7.22"
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                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.49"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "KRNL64UC - 8.04"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.22"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.22EXT"
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                          "version_name": "\u003c",
                          "version_value": "7.49"
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                        {
                          "version_name": "\u003c",
                          "version_value": "7.53"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.73"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "KERNEL - 7.22"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "8.04"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.49"
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                        {
                          "version_name": "\u003c",
                          "version_value": "7.53"
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                        {
                          "version_name": "\u003c",
                          "version_value": "7.73"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "SAP SE"
            }
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            "value": "SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 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, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified."
          }
        ]
      },
      "impact": {
        "cvss": {
          "baseScore": "7.5",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Improper Input Validation (CWE-476)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
            "refsource": "MISC",
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
          },
          {
            "name": "https://launchpad.support.sap.com/#/notes/3020104",
            "refsource": "MISC",
            "url": "https://launchpad.support.sap.com/#/notes/3020104"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
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                "cpe_name": [],
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              },
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                "cpe23Uri": "cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.53:*:*:*:*:*:*:*",
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                "cpe23Uri": "cpe:2.3:a:sap:netweaver_as_abap:krnl64uc_7.73:*:*:*:*:*:*:*",
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            "operator": "OR"
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      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2021-27631"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "en",
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            }
          ]
        },
        "problemtype": {
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              "refsource": "MISC",
              "tags": [
                "Permissions Required",
                "Vendor Advisory"
              ],
              "url": "https://launchpad.support.sap.com/#/notes/3020104"
            },
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              "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
            }
          ]
        }
      },
      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-10-31T14:45Z",
      "publishedDate": "2021-06-09T14:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.