Page generated: 07 Nov 2026, 05:40 UTC
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CVE-2024-27198

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

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.94%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 13 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

https://tech-insider.org/
Press · 13 Aug 2026, 07:00 · TeamCity Vulnerability CVE-2026-63077: CVSS 9.8 RCE [2026] - https://tech-insider.org/
The Hacker News
Press · 07 Apr 2026, 07:00 · China-Linked Storm-1175 Exploits Zero-Days to Rapidly Deploy Medusa Ransomware - The Hacker News
GitGuardian Blog
Press · 03 May 2024, 07:00 · Vulnerability of the Month - Controversy of the JetBrains TeamCity CVE-2024-27198 & CVE-2024-27199 - GitGuardian Blog
Cyfirma
Press · 03 Apr 2024, 07:00 · Vulnerability Analysis and Exploitation : Understanding CVE-2024-27198 in JetBrains TeamCity - Cyfirma
Help Net Security
Press · 21 Mar 2024, 07:00 · Attackers are exploiting JetBrains TeamCity flaw to deliver a variety of malware - Help Net Security
See all 13 source documents
www.trendmicro.com
Press · 19 Mar 2024, 07:00 · TeamCity Vulnerability Exploits Lead to Jasmin Ransomware, Other Malware Types - www.trendmicro.com
Kroll
Press · 11 Mar 2024, 07:00 · JetBrains TeamCity Vulnerabilities (CVE-2024-27198 & CVE-2024-27199) Exploited - Kroll
wiz.io
Press · 07 Mar 2024, 08:00 · Authentication bypass vulnerabilities in TeamCity: everything you need to know - wiz.io
SecurityWeek
Press · 07 Mar 2024, 08:00 · Critical TeamCity Vulnerability Exploitation Started Immediately After Disclosure - SecurityWeek
SOC Prime
Press · 06 Mar 2024, 08:00 · CVE-2024-27198 and CVE-2024-27199 Detection: Critical Vulnerabilities in JetBrains TeamCity Pose Escalating Risks with Exploits Underway - SOC Prime
The Hacker News
Press · 05 Mar 2024, 08:00 · Critical JetBrains TeamCity On-Premises Flaws Could Lead to Server Takeovers - The Hacker News
Help Net Security
Press · 04 Mar 2024, 08:00 · Critical vulnerabilities in TeamCity JetBrains fixed, release of technical details imminent, patch quickly! (CVE-2024-27198, CVE-2024-27199) - Help Net Security
Rapid7
Press · 04 Mar 2024, 08:00 · CVE-2024-27198 and CVE-2024-27199: JetBrains TeamCity Multiple Authentication Bypass Vulnerabilities (FIXED) - Rapid7

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

6

Public exploit entries / repo candidates

See 6 repos with metrics
RepositoryStarsForksLanguageUpdated
Stuub/RCity-CVE-2024-27198353Python19 Jul 2024, 14:42
geniuszly/CVE-2024-2719830Python09 Oct 2024, 13:37
EynaExp/CVE-2024-27198-POC10Python17 Dec 2025, 15:59
Cythonic1/CVE-2024-27198_POC00Rust21 Oct 2024, 10:05
jrbH4CK/CVE-2024-2719800Python16 Aug 2024, 16:43
rampantspark/CVE-2024-2719800Go10 Mar 2024, 16:57
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:10.297797+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
04 Mar 2024, 08:00
Published
04 Mar 2024, 17:21
Added to the CISA KEV catalog
07 Mar 2024, 00:00
Latest press mention
13 Aug 2026, 07:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
6 repositories