Authentication Bypass Leads to Remote Code Execution in JetBrains TeamCity Before 2023.05.4
CVE-2023-42793
Key Information
- Vendor
- Jetbrains
- Status
- Teamcity
- Vendor
- CVE Published:
- 19 September 2023
Badges
Summary
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
CISA Reported
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2023-42793 as being exploited and is known by the CISA as enabling ransomware campaigns.
The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Version(s)
TeamCity < 2023.05.4
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
News Articles
Patch Now: Critical TeamCity Bug Allows for Server Takeovers
Cyberattackers can exploit a vulnerability in JetBrain's continuous integration and delivery (CI/CD) server (APT target) to gain administrative control.
10 months ago
JetBrains warns of new TeamCity auth bypass vulnerability
JetBrains urged customers today to patch their TeamCity On-Premises servers against a critical authentication bypass vulnerability that can let attackers take over vulnerable instances with admin privileges.
10 months ago
'Midnight Blizzard' Breached HPE Email Months Before Microsoft Hack
The Russian APT behind the SolarWinds attacks exfiltrated data from HPE email accounts last May.
11 months ago
Refferences
EPSS Score
97% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🔴
Public PoC available
First article discovered by Matrice Digitale
- 😈
Used in Ransomware
- 👾
Exploit known to exist
CISA Reported
Vulnerability published
Vulnerability Reserved