{
  "id": "CVE-2023-42793",
  "url": "https://spydr.io/cve/CVE-2023-42793",
  "published": "2023-09-19T17:15:08.330Z",
  "modified": "2026-06-17T06:24:31.210Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.99987,
  "epss_percentile": 0.99984,
  "exploited": true,
  "kev": {
    "added": "2023-10-04",
    "due": "2023-10-25",
    "action": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Known",
    "name": "JetBrains TeamCity Authentication Bypass Vulnerability",
    "notes": "https://blog.jetbrains.com/teamcity/2023/09/critical-security-issue-affecting-teamcity-on-premises-update-to-2023-05-4-now/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-42793"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "JetBrains"
  ],
  "products": [
    "JetBrains TeamCity"
  ],
  "cwes": [
    "CWE-288",
    "CWE-306"
  ],
  "description": "In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/",
      "tags": [
        "Broken Link",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/",
      "tags": [
        "Press/Media Coverage"
      ]
    },
    {
      "url": "https://www.sonarsource.com/blog/teamcity-vulnerability/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-42793",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}