{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2020-3452",
  "revision": 1,
  "title": "Cisco ASA/FTD — Unauthenticated Path Traversal",
  "summary": "A directory-traversal flaw in the web services of Cisco's security appliances (ASA and FTD) lets an unauthenticated attacker read files out of the device's web filesystem.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 7.5,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "version": "3.1"
  },
  "epss": 0.99992,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2021-11-03",
    "prerequisites": "Network access to the appliance web services interface"
  },
  "remediation": {
    "patch_available": true
  },
  "mitre_attack": [
    "T1190",
    "T1083"
  ],
  "kill_chain": "discovery",
  "recommended_action": "Upgrade to a fixed Adaptive Security Appliance or Firepower release per Cisco's advisory, and restrict reach to the web services interface.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2020-3452",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "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": "2026-08-07T16:10:10.311Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2020-3452",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "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-2020-3452",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-3452",
      "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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ro-path-KJuQhB86"
    },
    {
      "type": "exploit",
      "url": "http://packetstormsecurity.com/files/158647/Cisco-Adaptive-Security-Appliance-Software-9.11-Local-File-Inclusion.html"
    },
    {
      "type": "exploit",
      "url": "http://packetstormsecurity.com/files/159523/Cisco-ASA-FTD-9.6.4.42-Path-Traversal.html"
    }
  ],
  "published_at": "2020-07-22T20:15:11.970Z",
  "issued_at": "2026-08-07T16:10:10.311Z",
  "tags": [
    "cisco",
    "firewall",
    "path-traversal"
  ]
}