Security advisory

{
  "id": "1d79413420ea06c362cd437fecea9d5efbb9a734eaa82f31016f5ed36ba81e98",
  "url": "https://osv.dev/vulnerability/CVE-2020-27746",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-27746",
    "summary": "Slurm before 19.05.8 and 20.x before 20.02.6 exposes Sensitive Information to an Unauthorized Actor because xauth for X11 magic cookies is affected by a race condition in a read operation on the /proc filesystem.",
    "evidence": "osv:CVE-2020-27746",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2020-27746",
      "aliases": [
        "CVE-2020-27746"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/schedmd/slurm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e2e21cb571ce88a6dd52989ec6fe30da8c4ef15f"
                },
                {
                  "fixed": "5921b6abe8e4f813d107dce9400c206e4ebf370d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:schedmd:slurm:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "19.05.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:schedmd:slurm:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "20.0.0"
                      },
                      {
                        "fixed": "20.02.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "slurm-20-02-5-1",
            "slurm-20-02-4-1",
            "slurm-20-02-3-1",
            "slurm-19-05-7-1",
            "slurm-20-02-2-1",
            "slurm-20-02-1-1",
            "slurm-19-05-6-1",
            "slurm-20-02-0-1",
            "slurm-20-02-0-0rc1",
            "slurm-20-02-0-0pre1",
            "slurm-19-05-5-1",
            "slurm-19-05-4-1",
            "slurm-19-05-3-2",
            "slurm-19-05-3-1",
            "slurm-19-05-2-1",
            "slurm-19-05-1-2",
            "slurm-19-05-1-1",
            "slurm-19-05-0-1",
            "slurm-19-05-0-0rc1",
            "slurm-19-05-0-0pre3",
            "slurm-19-05-0-0pre2",
            "slurm-19-05-0-0pre1",
            "slurm-18-08-0-0pre2",
            "slurm-18-08-0-0pre1",
            "slurm-17-11-0-0pre2",
            "slurm-17-11-0-0pre1",
            "slurm-17-02-0-0pre4",
            "slurm-17-02-0-0pre3",
            "slurm-17-02-0-0pre2",
            "slurm-17-02-0-0pre1",
            "slurm-16-05-0-0pre2",
            "slurm-16-05-0-0pre1",
            "slurm-15-08-0-1",
            "slurm-15-08-0-0rc1",
            "slurm-15-08-0-0pre6",
            "slurm-15-08-0-0pre5",
            "slurm-15-08-0-0pre4",
            "slurm-15-08-0-0pre3",
            "slurm-15-08-0-0pre2",
            "slurm-15-08-0-0pre1",
            "slurm-14-11-0-0rc1",
            "slurm-14-11-0-0pre5",
            "slurm-14-11-0-0pre4",
            "slurm-14-11-0-0pre3",
            "slurm-14-11-0-0pre2",
            "slurm-14-11-0-0pre1",
            "slurm-14-03-0-1",
            "slurm-14-03-0-0rc1",
            "slurm-14-03-0-0pre6",
            "slurm-14-03-0-0pre5",
            "slurm-13-12-0-0pre4",
            "slurm-13-12-0-0pre3",
            "slurm-13-12-0-0pre2",
            "slurm-2-6-0-0rc2",
            "slurm-2-6-0-0rc1",
            "slurm-2-6-0-0pre4",
            "slurm-2-6-0-0pre3",
            "slurm-2-6-0-0pre2",
            "slurm-2-6-0-0pre1",
            "slurm-2-6-0-0-pre2",
            "slurm-2-5-0-1",
            "slurm-2-5-0-0-rc2",
            "slurm-2-5-0-0-rc1",
            "slurm-2-5-0-0-pre3",
            "slurm-2-5-0-0-pre2",
            "slurm-2-5-0-0-pre1",
            "slurm-2-4-0-0-pre4",
            "slurm-2-4-0-0-pre3",
            "slurm-2-4-0-0-pre2",
            "slurm-2-4-0-0-pre1",
            "slurm-2-3-0-1",
            "slurm-2-3-0-0-rc2",
            "slurm-2-3-0-0-rc1",
            "slurm-2-3-0-0-pre6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27746.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:53.965700655Z",
      "provider": "osv",
      "references": [
        "https://www.debian.org/security/2021/dsa-4841",
        "https://www.schedmd.com/news.php"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-27746",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438043,
  "published_at": "2020-11-27T18:15:11.707+00:00"
}