CVE-2024-27199

CRITICALNVD 7.39.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-04-20), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.3 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 100%CVSS: 7.3Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible

CVSS v3
7.3
EG Score
9.0(high)
EG Risk
96(Attend)
EG Risk 96/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
100%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 4, 2024

Last Modified

April 21, 2026

Advisory Details (4)

Auto-updated May 20, 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-2024-27199
generic

RCity-CVE-2024-27198/RCity.py at main · Stuub/RCity-CVE-2024-27198 · GitHub

https://github.com/Stuub/RCity-CVE-2024-27198/blob/main/RCity.py
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(2)

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

Data Freshness Timeline

(refreshed 51× in last 7d / 209× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 792 total refreshes for this CVE.

  1. 2026-09-19 16:08 UTCGHSA enrichment
  2. 2026-09-19 12:21 UTCGHSA enrichment
  3. 2026-09-19 08:35 UTCGHSA enrichment
  4. 2026-09-19 04:47 UTCGHSA enrichment
  5. 2026-09-19 01:01 UTCGHSA enrichment
  6. 2026-09-18 21:15 UTCGHSA enrichment
  7. 2026-09-18 19:20 UTCCISA KEV update
  8. 2026-09-18 17:29 UTCGHSA enrichment
  9. 2026-09-18 14:15 UTCCISA KEV update
  10. 2026-09-18 13:42 UTCGHSA enrichment
  11. 2026-09-18 09:56 UTCGHSA enrichment
  12. 2026-09-18 06:10 UTCGHSA enrichment
  13. 2026-09-18 02:24 UTCGHSA enrichment
  14. 2026-09-17 22:37 UTCGHSA enrichment
  15. 2026-09-17 18:49 UTCGHSA enrichment
  16. 2026-09-17 15:01 UTCGHSA enrichment
  17. 2026-09-17 11:15 UTCGHSA enrichment
  18. 2026-09-17 07:29 UTCGHSA enrichment
  19. 2026-09-17 03:42 UTCGHSA enrichment
  20. 2026-09-16 23:56 UTCGHSA enrichment
  21. 2026-09-16 20:10 UTCGHSA enrichment
  22. 2026-09-16 16:23 UTCGHSA enrichment
  23. 2026-09-16 14:10 UTCCISA KEV update
  24. 2026-09-16 12:32 UTCGHSA enrichment
  25. 2026-09-16 08:47 UTCGHSA enrichment
Show 75 more
  1. 2026-09-16 05:00 UTCGHSA enrichment
  2. 2026-09-16 01:12 UTCGHSA enrichment
  3. 2026-09-15 21:25 UTCGHSA enrichment
  4. 2026-09-15 17:38 UTCGHSA enrichment
  5. 2026-09-15 13:51 UTCGHSA enrichment
  6. 2026-09-15 10:04 UTCGHSA enrichment
  7. 2026-09-15 06:18 UTCGHSA enrichment
  8. 2026-09-15 02:31 UTCGHSA enrichment
  9. 2026-09-14 22:45 UTCGHSA enrichment
  10. 2026-09-14 19:24 UTCCISA KEV update
  11. 2026-09-14 18:59 UTCGHSA enrichment
  12. 2026-09-14 15:13 UTCGHSA enrichment
  13. 2026-09-14 11:27 UTCGHSA enrichment
  14. 2026-09-14 07:41 UTCGHSA enrichment
  15. 2026-09-14 03:55 UTCGHSA enrichment
  16. 2026-09-14 00:09 UTCGHSA enrichment
  17. 2026-09-13 20:22 UTCEG score recompute
  18. 2026-09-13 20:22 UTCGHSA enrichment
  19. 2026-09-13 16:45 UTCEPSS rescore
  20. 2026-09-13 16:35 UTCGHSA enrichment
  21. 2026-09-13 12:49 UTCGHSA enrichment
  22. 2026-09-13 09:02 UTCGHSA enrichment
  23. 2026-09-13 05:16 UTCGHSA enrichment
  24. 2026-09-13 01:29 UTCGHSA enrichment
  25. 2026-09-12 21:43 UTCGHSA enrichment
  26. 2026-09-12 17:56 UTCGHSA enrichment
  27. 2026-09-12 14:10 UTCGHSA enrichment
  28. 2026-09-12 10:23 UTCGHSA enrichment
  29. 2026-09-12 06:37 UTCGHSA enrichment
  30. 2026-09-12 02:51 UTCGHSA enrichment
  31. 2026-09-11 23:04 UTCGHSA enrichment
  32. 2026-09-11 19:18 UTCGHSA enrichment
  33. 2026-09-11 18:49 UTCCISA KEV update
  34. 2026-09-11 15:31 UTCGHSA enrichment
  35. 2026-09-11 11:44 UTCGHSA enrichment
  36. 2026-09-11 07:57 UTCGHSA enrichment
  37. 2026-09-11 04:10 UTCGHSA enrichment
  38. 2026-09-11 00:23 UTCGHSA enrichment
  39. 2026-09-10 20:37 UTCGHSA enrichment
  40. 2026-09-10 19:28 UTCCISA KEV update
  41. 2026-09-10 16:50 UTCGHSA enrichment
  42. 2026-09-10 13:03 UTCGHSA enrichment
  43. 2026-09-10 09:17 UTCGHSA enrichment
  44. 2026-09-10 05:30 UTCGHSA enrichment
  45. 2026-09-10 01:43 UTCGHSA enrichment
  46. 2026-09-09 21:57 UTCGHSA enrichment
  47. 2026-09-09 19:08 UTCCISA KEV update
  48. 2026-09-09 18:10 UTCGHSA enrichment
  49. 2026-09-09 14:24 UTCGHSA enrichment
  50. 2026-09-09 10:38 UTCGHSA enrichment
  51. 2026-09-09 06:51 UTCGHSA enrichment
  52. 2026-09-09 03:05 UTCGHSA enrichment
  53. 2026-09-08 23:19 UTCGHSA enrichment
  54. 2026-09-08 19:32 UTCGHSA enrichment
  55. 2026-09-08 18:54 UTCCISA KEV update
  56. 2026-09-08 15:44 UTCGHSA enrichment
  57. 2026-09-08 11:57 UTCGHSA enrichment
  58. 2026-09-08 08:09 UTCGHSA enrichment
  59. 2026-09-08 04:23 UTCGHSA enrichment
  60. 2026-09-08 00:36 UTCGHSA enrichment
  61. 2026-09-07 20:48 UTCGHSA enrichment
  62. 2026-09-07 17:02 UTCGHSA enrichment
  63. 2026-09-07 13:15 UTCGHSA enrichment
  64. 2026-09-07 09:28 UTCGHSA enrichment
  65. 2026-09-07 05:40 UTCGHSA enrichment
  66. 2026-09-07 01:51 UTCGHSA enrichment
  67. 2026-09-06 22:03 UTCGHSA enrichment
  68. 2026-09-06 18:16 UTCGHSA enrichment
  69. 2026-09-06 14:29 UTCGHSA enrichment
  70. 2026-09-06 10:42 UTCGHSA enrichment
  71. 2026-09-06 06:56 UTCGHSA enrichment
  72. 2026-09-06 03:09 UTCGHSA enrichment
  73. 2026-09-05 23:22 UTCGHSA enrichment
  74. 2026-09-05 19:35 UTCGHSA enrichment
  75. 2026-09-05 15:49 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2024/CVE-2024-27199.yaml
    First seen Jan 1, 2024

    TeamCity < 2023.11.4 - Authentication Bypass

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2024-27199?
CVE-2024-27199 is a critical vulnerability published on March 4, 2024. In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
When was CVE-2024-27199 disclosed?
CVE-2024-27199 was first published in the National Vulnerability Database on March 4, 2024, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-27199 actively exploited?
Yes. CISA added CVE-2024-27199 to the Known Exploited Vulnerabilities catalog on April 20, 2026, affecting JetBrains TeamCity. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2024-27199?
CVE-2024-27199 has a CVSS v3 base score of 7.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2024-27199?
CVE-2024-27199 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-2024-27199?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-27199, 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

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