GSD-2021-27633

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
SAP NetWeaver AS for ABAP (RFC Gateway), 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThCPIC() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-27633",
    "description": "SAP NetWeaver AS for ABAP (RFC Gateway), 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThCPIC() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.",
    "id": "GSD-2021-27633"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-27633"
      ],
      "details": "SAP NetWeaver AS for ABAP (RFC Gateway), 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThCPIC() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.",
      "id": "GSD-2021-27633",
      "modified": "2023-12-13T01:23:35.720999Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cna@sap.com",
        "ID": "CVE-2021-27633",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "SAP NetWeaver AS for ABAP (RFC Gateway)",
                    "version": {
                      "version_data": [
                        {
                          "version_name": "\u003c",
                          "version_value": "KRNL32NUC - 7.22"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.22EXT"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "KRNL64NUC - 7.22"
                        },
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                          "version_name": "\u003c",
                          "version_value": "7.22EXT"
                        },
                        {
                          "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"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.49"
                        },
                        {
                          "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"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.53"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.73"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.77"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.81"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.82"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.83"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "SAP SE"
            }
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        }
      },
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "SAP NetWeaver AS for ABAP (RFC Gateway), 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThCPIC() 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-787)"
              }
            ]
          }
        ]
      },
      "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/3020209",
            "refsource": "MISC",
            "url": "https://launchpad.support.sap.com/#/notes/3020209"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl32nuc_7.22:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
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                "cpe_name": [],
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              },
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                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl64nuc_7.22:*:*:*:*:*:*:*",
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                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl64nuc_7.49:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl64uc_8.04:*:*:*:*:*:*:*",
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                "vulnerable": true
              },
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                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:kernel_7.22:*:*:*:*:*:*:*",
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              },
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                "cpe_name": [],
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              },
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              },
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              },
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                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl64uc_7.49:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl64uc_7.53:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:krnl64uc_7.73:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
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                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_abap:kernel_7.73:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2021-27633"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
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                  "value": "CWE-787"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://launchpad.support.sap.com/#/notes/3020209",
              "refsource": "MISC",
              "tags": [
                "Permissions Required",
                "Vendor Advisory"
              ],
              "url": "https://launchpad.support.sap.com/#/notes/3020209"
            },
            {
              "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
              "refsource": "MISC",
              "tags": [
                "Broken Link",
                "Vendor Advisory"
              ],
              "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "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": "2022-10-31T14:44Z",
      "publishedDate": "2021-06-09T14:15Z"
    }
  }
}


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Sightings

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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.
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