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TI-2023-22884 Aliases CVE-2023-42793GHSA-w796-2gq9-7jm8

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

Priority CRITICAL 100Exploited in the wildCWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

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

Why it matters now

Exploitation Active In CISA KEV since 2023-10-04CISA due date 2023-10-25Known ransomware use
EPSS 0.99987 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed TeamCity (JetBrains): 2023.05.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsTeamCitybefore 2023.05.42023.05.4Patch availableCNA
  • TeamCity VendorJetBrains Affected before 2023.05.4 Fixed in 2023.05.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*before 2023.05.4VulnerableJetBrains
  • cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:* Versions before 2023.05.4 Vulnerable ·JetBrains

Remediation

  • Fix · CNA TeamCity (JetBrains) Fixed in 2023.05.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    JetBrains TeamCity 2023.05.4

    2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 LOW

    Other records, highest priority first

    • TI-2023-23314 In JetBrains TeamCity before 2023.05.4 stored XSS was possible during nodes configurationPriority LOW 27
    Show all 2 records →

Timeline

  1. 2023-10-04 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-42793
  3. 2026-10-03 Alias added: GHSA-w796-2gq9-7jm8

References

Exploit 2

Advisory 4

Other 1

  • TI-2026-45031 Deserialization of untrusted data in JetBrains TeamCity KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18053 In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18054 In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible KEVCVSS 3.1HIGH 7.3
  • TI-2024-15905 In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible CVSS 3.1CRITICAL 9.8
  • TI-2015-01192 JetBrains TeamCity 8 and 9 before 9.0.2 allows bypass of account-creation restrictions… CVSS 3.1MEDIUM 6.5
  • TI-2026-36546 In JetBrains TeamCity before 2026.1 remote code execution was possible via Perforce connection settings CVSS 3.1HIGH 8.8
See all 282 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences