FKIE_CVE-2023-42793

Vulnerability from fkie_nvd - Published: 2023-09-19 17:15 - Updated: 2026-06-17 06:24
Summary
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
References
cve@jetbrains.comhttp://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
cve@jetbrains.comhttps://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793Third Party Advisory
cve@jetbrains.comhttps://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/Vendor Advisory
cve@jetbrains.comhttps://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
cve@jetbrains.comhttps://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/Broken Link, Third Party Advisory
cve@jetbrains.comhttps://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/Press/Media Coverage
cve@jetbrains.comhttps://www.sonarsource.com/blog/teamcity-vulnerability/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/Broken Link, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/Press/Media Coverage
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793US Government Resource
Impacted products
Vendor Product Version
jetbrains teamcity *

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "TeamCity",
          "vendor": "JetBrains",
          "versions": [
            {
              "lessThan": "2023.05.4",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "cve@jetbrains.com"
    }
  ],
  "cisaActionDue": "2023-10-25",
  "cisaExploitAdd": "2023-10-04",
  "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "JetBrains TeamCity Authentication Bypass Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6728FE9D-39E3-4F30-9301-5D5E07AD9CBC",
              "versionEndExcluding": "2023.05.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible"
    },
    {
      "lang": "es",
      "value": "En JetBrains TeamCity antes de la versi\u00f3n 2023.05.4, era posible omitir la autenticaci\u00f3n que conduc\u00eda a RCE en TeamCity Server"
    }
  ],
  "id": "CVE-2023-42793",
  "lastModified": "2026-06-17T06:24:31.210",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "cve@jetbrains.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-42793",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2023-12-13T18:39:27.643246Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-09-19T17:15:08.330",
  "references": [
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html"
    },
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793"
    },
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/"
    },
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.jetbrains.com/privacy-security/issues-fixed/"
    },
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Broken Link",
        "Third Party Advisory"
      ],
      "url": "https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/"
    },
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Press/Media Coverage"
      ],
      "url": "https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/"
    },
    {
      "source": "cve@jetbrains.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.sonarsource.com/blog/teamcity-vulnerability/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.jetbrains.com/privacy-security/issues-fixed/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Third Party Advisory"
      ],
      "url": "https://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Press/Media Coverage"
      ],
      "url": "https://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793"
    }
  ],
  "sourceIdentifier": "cve@jetbrains.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ],
      "source": "cve@jetbrains.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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