Findings

CVE-2023-42793

JetBrains TeamCity Authentication Bypass Vulnerability

Published Sep 19, 2023 · updated Jun 16, 2026 · jetbrains teamcity

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 19, 2023 · Catalog

    Detected

    JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

  2. Oct 4, 2023 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Oct 25, 2023 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date Oct 25, 2023

Affected

  • cpe jetbrains/teamcityversion unspecified
  • vendor JetBrains TeamCityversion unspecified

Sources

  • AttackerKBhttps://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793

    AttackerKB link already published on the finding.

    attackerkb.com
  • CISA KEVCVE-2023-42793

    JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

    cisa.gov
  • CVE.orgCVE-2023-42793

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-42793

    30-day exploitation probability 100.0%

    first.org
  • Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit Modulesexploit_multi/http/jetbrains_teamcity_rce_cve_2023_42793

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-2023-42793

    In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

CVE-2023-42793 · ZeroDay Findings