High severity · published Mar 4, 2024
CVE-2024-27199
JetBrains TeamCity Relative Path Traversal Vulnerability
RansomwareIn wildKEV
7.3
CVSS
100%
EPSS
Yes
On KEV
Description
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)100.0% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Apr 20, 2026
Federal remediation dueMay 4, 2026
Ransomware campaign useKnown
Affected products
Which versions
TE
TeamCity · JetBrains
before 2023.11.4 · source: vendor, NVD, KEV
In the news
AdvisoryHigh
CISA Adds Eight Known Exploited Vulnerabilities to Catalog
CISA has added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation.
CVE-2023-27351 PaperCut NG/MF Improper Authentication Vulnerability
CVE-2024-27199 JetBrains TeamCity Relative Path Traversal Vulnerability
CVE-2025-2749 Kentico Xperience Path Traversal Vulnerability
CVE-2025-32975 Quest KACE Systems Management Appliance (SMA) Improper Authentication Vulnerability
CVE-2025-48700 Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
CVE-2026-20122 Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability
CVE-2026-20128 Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
CVE-2026-20133 Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.
Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the KEV Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. Se...
Apr 20, 2026·CISA Advisories
VulnerabilityHigh
[CISA KEV] CVE-2024-27199: JetBrains TeamCity - JetBrains TeamCity Relative Path Traversal Vulnerability
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.
TETeamCityCVE-2024-27199
Apr 20, 2026·CISA KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-27199
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-27199
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
www.jetbrains.com
https://www.jetbrains.com/privacy-security/issues-fixed/
www.darkreading.com
https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive
More from TeamCity
9.8
CVE-2026-63077
JetBrains TeamCity Deserialization of Untrusted Data Vulnerability
9.8
CVE-2024-27198
JetBrains TeamCity Authentication Bypass Vulnerability
9.8
CVE-2023-42793
JetBrains TeamCity Authentication Bypass Vulnerability
10.0
CVE-2026-106218
In JetBrains TeamCity before 2026.1.3 2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible
10.0
CVE-2026-65906
In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible
