CVE-2026-57202

{
  "etk_id": "ETK-2026-2795",
  "cve_id": "CVE-2026-57202",
  "display_id": "CVE-2026-57202",
  "ghsa_id": "GHSA-vrfp-mg3q-3959",
  "euvd_id": "EUVD-2026-111345",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Read-only ARI privilege bypass in Asterisk",
  "summary": "Affected Asterisk and Certified Asterisk releases allow an ARI account intended to be read-only to invoke dialplan functions that can alter state, including writing files. An attacker needs valid read-only ARI credentials and access to an enabled, reachable Asterisk HTTP service.",
  "mitigation": "Upgrade Asterisk to 20.20.1, 21.12.3, 22.10.1, or 23.4.1, or upgrade Certified Asterisk to 20.7-cert11 or 22.8-cert3. Until upgraded, disable or restrict access to the Asterisk HTTP/ARI service and revoke unnecessary read-only ARI credentials.",
  "vendor": "asterisk",
  "product": "asterisk",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 20.20.1",
        ">= 21.0.0-pre1, < 21.12.3",
        ">= 22.0.0-pre1, < 22.10.1",
        ">= 23.0.0-pre1, < 23.4.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "20.20.1",
        "21.12.3",
        "22.10.1",
        "23.4.1"
      ],
      "package_name": "asterisk",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 20.7-cert11",
        ">= 22.8-cert1-pre1, < 22.8-cert3"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "20.7-cert11",
        "22.8-cert3"
      ],
      "package_name": "certified-asterisk",
      "purl": null
    }
  ],
  "cwes": [
    267
  ],
  "cvss_score": 8.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 34.999182016666666,
  "t0_at": "2026-10-27T17:58:46.257000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-27T17:58:46.257000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-27T17:58:46.257000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-57202"
    }
  }
}