Security advisory

{
  "id": "4c4444db3bb5bd918ac21a8e7a653729c2f11af07e07afad0188d88523453c29",
  "url": "https://osv.dev/vulnerability/CVE-2024-39844",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-39844",
    "summary": "In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.",
    "evidence": "osv:CVE-2024-39844",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2024-39844",
      "aliases": [
        "CVE-2024-39844"
      ],
      "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://github.com/znc/znc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ae353acf2fe61b50fb1a6617824c334a0bf22a4f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.9.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ae353acf2fe61b50fb1a6617824c334a0bf22a4f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "znc-1.9.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "znc-1.9.0",
            "znc-1.9.0-rc1",
            "znc-1.7.0",
            "znc-1.6.0",
            "znc-1.2",
            "znc-1.0",
            "znc-0.200",
            "znc-0.098",
            "znc-0.096",
            "znc-0.094",
            "znc-0.072",
            "znc-0.070",
            "znc-0.068",
            "znc-0.066",
            "znc-0.064",
            "znc-0.062",
            "znc-0.060",
            "znc-0.058",
            "znc-0.056",
            "znc-0.054",
            "znc-0.054-rc3",
            "znc-0.054-rc2",
            "znc-0.054-rc1",
            "znc-0.052",
            "znc-0.050",
            "znc-0.047",
            "znc-0.045",
            "znc-0.044",
            "znc-0.043",
            "znc-0.041",
            "znc-0.040",
            "znc-0.039",
            "znc-0.038",
            "znc-0.037",
            "znc-0.036",
            "znc-0.035",
            "znc-0.034",
            "znc-0.033",
            "znc-0.030",
            "znc-0.029",
            "znc-0.028",
            "znc-0.027",
            "znc-0.025",
            "znc-0.023"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-39844.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.490967600Z",
      "provider": "osv",
      "references": [
        "https://github.com/znc/znc/releases/tag/znc-1.9.1",
        "https://wiki.znc.in/Category:ChangeLog",
        "https://wiki.znc.in/ChangeLog/1.9.1",
        "https://www.openwall.com/lists/oss-security/2024/07/03/9",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/39xxx/CVE-2024-39844.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-39844"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/39xxx/CVE-2024-39844.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-39844",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514625,
  "published_at": "2024-07-03T00:00:00+00:00"
}