Risk Letters

Exploited vulnerability

CVE-2023-42793

TLP:CLEAR

JetBrains TeamCity Authentication Bypass Vulnerability

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

Facts

  • Vendor: JetBrains
  • Product: TeamCity
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 4 October 2023
  • First known exploitation: 4 October 2023
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 25 October 2023
  • Weakness: CWE-288
  • First seen by Risk Letters: 4 October 2023

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD