Security advisory

{
  "id": "80c79456bb12022cfcc1fa0a01085f8c46f99e813b2d5db60147c72f3fb56450",
  "url": "https://osv.dev/vulnerability/CVE-2020-26880",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-26880",
    "summary": "Sympa through 6.2.57b.2 allows a local privilege escalation from the sympa user account to full root access by modifying the sympa.conf configuration file (which is owned by sympa) and parsing it through the setuid sympa_newaliases-wrapper executable.",
    "evidence": "osv:CVE-2020-26880",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-26880",
      "aliases": [
        "CVE-2020-26880"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sympa-community/sympa",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0fa537621ffcdfa9702e2e4cf5ec4807dc6d44cf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.2.56"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.2.26",
            "6.2.38",
            "6.2.34",
            "6.2.49b.1",
            "6.2.16",
            "6.2.35b.1",
            "6.2.54",
            "6.2.44",
            "6.2.48",
            "6.2.40",
            "6.2.25b.3",
            "6.2.42",
            "6.2.22",
            "6.2.56",
            "6.2.52",
            "6.2.49b.3",
            "6.2.50",
            "6.2.49b.2",
            "6.2.46",
            "6.2.45b.3",
            "6.2.45b.2",
            "6.2.45b.1",
            "6.2.43b.2",
            "6.2.43b.1",
            "6.2.41b.2",
            "6.2.41b.1",
            "6.2.37b.3",
            "6.2.37b.2",
            "6.2.36",
            "6.2.37b.1",
            "6.2.33b.2",
            "6.2.32",
            "6.2.33b.1",
            "6.2.30",
            "6.2.28",
            "6.2.25b.2",
            "6.2.25b.1",
            "6.2.24",
            "6.2.23b.3",
            "6.2.23b.2",
            "6.2.23b.1",
            "6.2.20",
            "6.2.19b.2",
            "6.2.19b.1",
            "6.2.18",
            "6.2.17b.2",
            "6.2.17b.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26880.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:58.415916282Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5CUVLHGWCDA6B2NH467ZMKL6O2NGLQZN/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5MFWWYY4TSQAXBWZ6SBFX43BLUL3WWI/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2TKOL454ZKKLQCUSUPNEZ52WELN4OAH/",
        "https://github.com/sympa-community/sympa/issues/1009",
        "https://github.com/sympa-community/sympa/issues/943#issuecomment-704779420",
        "https://github.com/sympa-community/sympa/issues/943#issuecomment-704842235",
        "https://lists.debian.org/debian-lts-announce/2020/11/msg00015.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  },
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:sympa:sympa:6.2.57:beta1:*:*:*:*:*:*",
              "cpe:2.3:a:sympa:sympa:6.2.57:beta2:*:*:*:*:*:*"
            ],
            "vendor_product": "sympa:sympa",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "6.2.57-beta1"
                  },
                  {
                    "last_affected": "6.2.57-beta1"
                  },
                  {
                    "introduced": "6.2.57-beta2"
                  },
                  {
                    "last_affected": "6.2.57-beta2"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-26880",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384110,
  "published_at": "2020-10-07T18:15:12.133+00:00"
}