{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2025-32433",
  "revision": 1,
  "title": "Erlang/OTP — secure shell server acts before sign-in",
  "summary": "The secure shell (SSH) server in Erlang's standard libraries (OTP) before 27.3.3, 26.2.5.11 and 25.3.2.20 acts on protocol messages that should only come after sign-in, so an attacker runs commands with no credentials.",
  "source_type": "cve",
  "severity": "critical",
  "cvss": {
    "score": 10,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.98786,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2025-06-09",
    "prerequisites": "Network access to the Erlang secure shell service; no credentials needed."
  },
  "remediation": {
    "patch_available": true,
    "fixed_in": [
      "Erlang/OTP 27.3.3",
      "Erlang/OTP 26.2.5.11",
      "Erlang/OTP 25.3.2.20"
    ]
  },
  "mitre_attack": [
    "T1190"
  ],
  "kill_chain": "initial_access",
  "recommended_action": "Upgrade to 27.3.3, 26.2.5.11 or 25.3.2.20 now; exploitation is near certain, so treat any exposed Erlang service as already compromised.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2025-32433",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2025-32433",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2025-32433",
      "retrieved_at": "2026-09-24T12:03:01.274Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-32433",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12"
    },
    {
      "type": "vendor_advisory",
      "url": "https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f"
    },
    {
      "type": "vendor_advisory",
      "url": "https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891"
    }
  ],
  "published_at": "2025-04-16T22:15:14.373Z",
  "issued_at": "2026-09-24T12:03:01.274Z",
  "tags": [
    "erlang",
    "otp",
    "ssh",
    "missing-authentication",
    "remote-code-execution",
    "kev"
  ]
}