GSD-2020-26820

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.
Aliases
Aliases
CVE-2020-26820
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{
  "GSD": {
    "alias": "CVE-2020-26820",
    "description": "SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.",
    "id": "GSD-2020-26820"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-26820"
      ],
      "details": "SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.",
      "id": "GSD-2020-26820",
      "modified": "2023-12-13T01:22:09.114081Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cna@sap.com",
        "ID": "CVE-2020-26820",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "SAP NetWeaver AS JAVA",
                    "version": {
                      "version_data": [
                        {
                          "version_name": "\u003c",
                          "version_value": "7.20"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.30"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.31"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.40"
                        },
                        {
                          "version_name": "\u003c",
                          "version_value": "7.50"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "SAP SE"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
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          {
            "lang": "eng",
            "value": "SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it."
          }
        ]
      },
      "impact": {
        "cvss": {
          "baseScore": "9.1",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.0"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Privilege escalation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571",
            "refsource": "MISC",
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571"
          },
          {
            "name": "https://launchpad.support.sap.com/#/notes/2979062",
            "refsource": "MISC",
            "url": "https://launchpad.support.sap.com/#/notes/2979062"
          },
          {
            "name": "20210405 Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP Java OS Remote Code Execution",
            "refsource": "FULLDISC",
            "url": "http://seclists.org/fulldisclosure/2021/Apr/7"
          },
          {
            "name": "http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2020-26820"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-434"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://launchpad.support.sap.com/#/notes/2979062",
              "refsource": "MISC",
              "tags": [
                "Permissions Required",
                "Vendor Advisory"
              ],
              "url": "https://launchpad.support.sap.com/#/notes/2979062"
            },
            {
              "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571"
            },
            {
              "name": "20210405 Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP Java OS Remote Code Execution",
              "refsource": "FULLDISC",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://seclists.org/fulldisclosure/2021/Apr/7"
            },
            {
              "name": "http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 9.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-01-01T18:18Z",
      "publishedDate": "2020-11-10T17:15Z"
    }
  }
}


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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.
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  • 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.



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