{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2024-27198",
  "revision": 1,
  "title": "JetBrains TeamCity — Authentication Bypass to Admin Actions",
  "summary": "JetBrains TeamCity lets an unauthenticated caller perform administrator actions on the build server, including anything that server can reach or deploy.",
  "source_type": "cve",
  "severity": "critical",
  "cvss": {
    "score": 9.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.99938,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": false,
    "attack_complexity": "low",
    "kev_added": "2024-03-07",
    "prerequisites": "Network access to the build server"
  },
  "remediation": {
    "patch_available": true,
    "fixed_in": [
      "TeamCity 2023.11.4"
    ]
  },
  "mitre_attack": [
    "T1190"
  ],
  "kill_chain": "initial_access",
  "recommended_action": "Upgrade TeamCity to 2023.11.4 or later, and rotate every credential the server stored.",
  "confidence": "medium",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2024-27198",
      "retrieved_at": "2026-08-07T16:55:20.077Z",
      "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": "2026-08-07T16:55:20.077Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2024-27198",
      "retrieved_at": "2026-08-07T16:55:20.077Z",
      "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-2024-27198",
      "retrieved_at": "2026-08-07T16:55:20.077Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27198",
      "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://www.jetbrains.com/privacy-security/issues-fixed/"
    },
    {
      "type": "writeup",
      "url": "https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive"
    }
  ],
  "published_at": "2024-03-04T18:15:09.040Z",
  "issued_at": "2026-08-07T16:55:20.077Z",
  "tags": [
    "jetbrains",
    "teamcity",
    "ci-cd",
    "authentication"
  ]
}