Security advisory

{
  "id": "7e9284b241d46a9425b34b449463bbd71140aea92317c79da3226f074cde2bc0",
  "url": "https://osv.dev/vulnerability/CVE-2021-32056",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32056",
    "summary": "Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall.",
    "evidence": "osv:CVE-2021-32056",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-32056",
      "aliases": [
        "CVE-2021-32056"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/cyrusimap/cyrus-imapd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5b2529a1982c2fe8a91254845ecbe94f431382f3"
                },
                {
                  "introduced": "749fec4ef971286b9a2d3bbccfb232b0a856888e"
                },
                {
                  "fixed": "81629293ca4ced90bde67bc488e7c26537735adb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.2.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3.0"
                      },
                      {
                        "fixed": "3.4.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "cyrus-imapd-3.4.0",
            "cyrus-imapd-3.4.0-rc1",
            "cyrus-imapd-3.2.6",
            "cyrus-imapd-3.4.0-beta3",
            "cyrus-imapd-3.4.0-beta2",
            "cyrus-imapd-3.4.0-beta1",
            "cyrus-imapd-3.4.0-alpha0",
            "cyrus-imapd-3.2.5",
            "cyrus-imapd-3.3.1",
            "cyrus-imapd-3.2.4",
            "cyrus-imapd-3.2.3",
            "cyrus-imapd-3.3.0",
            "cyrus-imapd-3.2.2",
            "cyrus-imapd-3.2.1",
            "cyrus-imapd-3.2.0",
            "cyrus-imapd-3.2.0-rc1",
            "cyrus-imapd-3.2.0-beta4",
            "cyrus-imapd-3.2.0-beta3",
            "cyrus-imapd-3.2.0-beta2",
            "cyrus-imapd-3.2.0-beta1",
            "cyrus-imapd-3.2.0-beta0",
            "cyrus-imapd-3.1.9",
            "cyrus-imapd-3.1.8",
            "cyrus-imapd-3.1.7",
            "cyrus-imapd-3.1.6",
            "cyrus-imapd-3.1.5",
            "cyrus-imapd-3.1.4",
            "cyrus-imapd-3.1.3",
            "cyrus-imapd-3.1.2",
            "cyrus-imapd-3.1.1",
            "cyrus-imapd-3.0.0-rc4",
            "cyrus-imapd-3.1.0-dev",
            "cyrus-imapd-3.0.0-rc3",
            "cyrus-imapd-3.0.0-rc2",
            "cyrus-imapd-3.0.0-rc1",
            "cyrus-imapd-3.0.0-beta6",
            "cyrus-imapd-3.0.0-beta5",
            "cyrus-imapd-3.0.0-beta4",
            "cyrus-imapd-3.0.0-beta3",
            "cyrus-imapd-3.0.0-beta2",
            "cyrus-imapd-3.0.0-beta1",
            "posttab",
            "pretab",
            "cyrus-imapd-2.5-snapshot-autoconf-and-automake",
            "cyrus-imapd-2.4.2",
            "cyrus-imapd-2.4.1",
            "cyrus-imapd-2.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32056.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:02.177067156Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HEO3RURJW6NLIXS7NK5PVU6MGHC4SCM/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJZB45QBUN7CZFGOWCZYUYACNBTX7LVS/",
        "https://cyrus.topicbox.com/groups/announce/T056901c106ecfce3/cyrus-imap-3-4-1-released",
        "https://cyrus.topicbox.com/groups/announce/T126392718bc29d6b/cyrus-imap-3-2-7-released",
        "https://www.cyrusimap.org/imap/download/release-notes/3.2/x/3.2.7.html",
        "https://www.cyrusimap.org/imap/download/release-notes/3.4/x/3.4.1.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  },
                  {
                    "introduced": "35"
                  },
                  {
                    "last_affected": "35"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-32056",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439966,
  "published_at": "2021-05-10T14:15:07.577+00:00"
}