CVE-2024-27198

CRITICALNVD 9.89.8—Trending — 4 sources updated this weekExploited in the wild

9.8

In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.8%
KEV: ⚠ Exploited

Published

March 4, 2024

Last Modified

October 24, 2025

Advisory Details (3)

Auto-updated May 31, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27198

generic

Fixed security issues

https://www.jetbrains.com/privacy-security/issues-fixed/

generic

JetBrains TeamCity Mass Exploitation Underway, Rogue Accounts Thrive

https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-288Authentication Bypass Using an Alternate Path or Channel

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 00:02 UTCEG score recompute
2026-06-04 00:02 UTCGHSA enrichment
2026-06-03 20:25 UTCEG score recompute
2026-06-03 20:25 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 16:48 UTCEG score recompute
2026-06-03 16:48 UTCGHSA enrichment
2026-06-03 13:11 UTCEG score recompute
2026-06-03 13:11 UTCGHSA enrichment
2026-06-03 09:34 UTCEG score recompute
2026-06-03 09:34 UTCGHSA enrichment
2026-06-03 05:57 UTCEG score recompute
2026-06-03 05:57 UTCGHSA enrichment
2026-06-03 02:20 UTCEG score recompute
2026-06-03 02:20 UTCGHSA enrichment
2026-06-02 22:43 UTCEG score recompute
2026-06-02 22:43 UTCGHSA enrichment
2026-06-02 19:06 UTCEG score recompute
2026-06-02 19:06 UTCGHSA enrichment
2026-06-02 18:32 UTCkev_newly_listed

Publicly available exploits

(10 references)

Working exploit code is in the public domain (1 Metasploit module) (7 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-52411
First seen Aug 11, 2025
JetBrains TeamCity 2023.11.4 - Authentication Bypass
Open source ↗
GitHub PoCgeniuszly/CVE-2024-27198
First seen Oct 9, 2024
is a PoC tool that targets a vulnerability in the TeamCity server (CVE-2024-27198)
Open source ↗
GitHub PoCStuub/RCity-CVE-2024-27198
First seen Apr 22, 2024
CVE-2024-27198 & CVE-2024-27199 PoC - RCE, Admin Account Creation, Enum Users, Server Information
Open source ↗
GitHub PoCK3ysTr0K3R/CVE-2024-27198-EXPLOIT
First seen Mar 9, 2024
A PoC exploit for CVE-2024-27198 - JetBrains TeamCity Authentication Bypass
Open source ↗
GitHub PoCpasswa11/CVE-2024-27198-RCE
First seen Mar 8, 2024
Open source ↗
GitHub PoCW01fh4cker/CVE-2024-27198-RCE
First seen Mar 6, 2024
CVE-2024-27198 & CVE-2024-27199 Authentication Bypass --> RCE in JetBrains TeamCity Pre-2023.11.4
Open source ↗
GitHub PoCyoryio/CVE-2024-27198
First seen Mar 5, 2024
Exploit for CVE-2024-27198 - TeamCity Server
Open source ↗
GitHub PoCChocapikk/CVE-2024-27198
First seen Mar 4, 2024
Proof of Concept for Authentication Bypass in JetBrains TeamCity Pre-2023.11.4
Open source ↗
Metasploitexploit/multi/http/jetbrains_teamcity_rce_cve_2024_27198✓ verified
First seen Mar 4, 2024
JetBrains TeamCity Unauthenticated Remote Code Execution
Open source ↗
Nucleihttp/cves/2024/CVE-2024-27198.yaml
First seen Jan 1, 2024
TeamCity < 2023.11.4 - Authentication Bypass
Open source ↗

Frequently asked(6)

What is CVE-2024-27198?

CVE-2024-27198 is a critical vulnerability published on March 4, 2024. In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible

When was CVE-2024-27198 disclosed?

CVE-2024-27198 was first published in the National Vulnerability Database on March 4, 2024, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-27198 actively exploited?

Yes. CISA added CVE-2024-27198 to the Known Exploited Vulnerabilities catalog on March 7, 2024, affecting JetBrains TeamCity. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2024-27198?

CVE-2024-27198 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2024-27198?

CVE-2024-27198 affects JetBrains TeamCity. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2024-27198?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-27198, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-27198

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CVE-2024-27198

📅 Published

🔄 Last Modified

📋 Advisory Details (3)