CVE-2023-42793

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2023-10-04. Federal remediation due 2023-10-25.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

99.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 100.0% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-09-19 16:57Z2 YR AGO

Last updated

2025-10-21 23:05Z10 MO AGO

Reserved

2023-09-14

Assigning CNA

JetBrains

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-288Authentication Bypass Using an Alternate Path or ChannelBase
• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.1

Document digest

b013d9a31d7bc1b28c5b3ffa046e53045153cf0621c3f896a2bf7aff33bbb3ea

• www.jetbrains.comhttps://www.jetbrains.com/privacy-security/issues-fixed/
• blog.jetbrains.comhttps://blog.jetbrains.com/teamcity/2023/09/cve-2023-42793-vulnerability-post-mortem/
• packetstormsecurity.comhttp://packetstormsecurity.com/files/174860/JetBrains-TeamCity-Unauthenticated-Remote-Code-Execution.html
• attackerkb.comhttps://attackerkb.com/topics/1XEEEkGHzt/cve-2023-42793
• www.securityweek.comhttps://www.securityweek.com/recently-patched-teamcity-vulnerability-exploited-to-hack-servers/
• www.rapid7.comhttps://www.rapid7.com/blog/post/2023/09/25/etr-cve-2023-42793-critical-authentication-bypass-in-jetbrains-teamcity-ci-cd-servers/
• www.sonarsource.comhttps://www.sonarsource.com/blog/teamcity-vulnerability/
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42793government-resource