Security advisory

{
  "id": "f28b36db1bf8496d1c1d04e57fee3bbdd706f40bd3f894bd6b9418d4d802062a",
  "url": "https://osv.dev/vulnerability/CVE-2021-3649",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3649",
    "summary": "chatwoot is vulnerable to Inefficient Regular Expression Complexity",
    "evidence": "osv:CVE-2021-3649",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-3649",
      "aliases": [
        "CVE-2021-3649"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chatwoot/chatwoot",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9de36f2b9e0a775d003d654351cba13b699afb86"
                },
                {
                  "fixed": "aa7db90cd2d23dbcf22a94f1e4c100dd909e2172"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.18.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "aa7db90cd2d23dbcf22a94f1e4c100dd909e2172"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.17.1",
            "v1.17.0",
            "v1.16.2",
            "v1.16.1",
            "v1.15.1",
            "v1.15.0",
            "v1.14.3",
            "v1.14.2",
            "v1.14.1",
            "v1.14.0",
            "v1.13.1",
            "v1.13.0",
            "v1.12.2",
            "v1.12.1",
            "v1.12.0",
            "v1.11.1",
            "v1.11.0",
            "v1.10.0",
            "v1.9.0",
            "v1.8.0",
            "v1.7.2",
            "v1.7.1",
            "v1.7.0",
            "v1.6.3",
            "v1.6.2",
            "v1.6.1",
            "v1.6.0",
            "v1.5.3",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.4.2",
            "1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.0",
            "v1.2.4",
            "1.2.4",
            "v1.2.3",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3649.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:19.695251333Z",
      "provider": "osv",
      "references": [
        "https://github.com/chatwoot/chatwoot/commit/aa7db90cd2d23dbcf22a94f1e4c100dd909e2172",
        "https://huntr.dev/bounties/1625088985607-chatwoot/chatwoot"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-3649",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385056,
  "published_at": "2021-07-16T14:15:08.063+00:00"
}