Security advisory

{
  "id": "943a588c191dc700d33ba79c3e3ed875e532ad6408b4741f189e03d35a2767f1",
  "url": "https://osv.dev/vulnerability/CVE-2020-11729",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-11729",
    "summary": "An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.",
    "evidence": "osv:CVE-2020-11729",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-11729",
      "aliases": [
        "CVE-2020-11729"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/davical-project/awl",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "3efb13de38ea4c1cc298f206199848467af18456"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:davical:andrew\\'s_web_libraries:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.60"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "r0.57",
            "r0.60",
            "r0.59",
            "r0.58",
            "debian/0.56-2",
            "r0.56",
            "r0.55",
            "debian/0.55-1",
            "debian/0.55%git20140913-1",
            "r0.54"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11729.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:17.208258700Z",
      "provider": "osv",
      "references": [
        "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650",
        "https://lists.debian.org/debian-lts-announce/2020/04/msg00011.html",
        "https://www.debian.org/security/2020/dsa-4660",
        "https://gitlab.com/davical-project/awl/-/issues/18"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-11729",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382514,
  "published_at": "2020-04-15T16:15:16.707+00:00"
}