CVE-2023-3900

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: HIGH) published 2023-08-02. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.3Exploit: NoneExposed: 0

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

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
51.7%
KEV
Not listed

Published

August 2, 2023

Last Modified

November 21, 2024

References (4)

Vendor Advisories for CVE-2023-3900(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 52× 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.

  1. 2026-07-06 16:26 UTCEPSS rescore
  2. 2026-07-06 16:26 UTCEPSS rescore
  3. 2026-07-06 02:22 UTCEPSS rescore
  4. 2026-07-05 02:29 UTCEPSS rescore
  5. 2026-07-04 06:29 UTCEPSS rescore
  6. 2026-07-01 15:05 UTCEPSS rescore
  7. 2026-06-30 23:21 UTCEPSS rescore
  8. 2026-06-30 23:21 UTCEPSS rescore
  9. 2026-06-29 14:05 UTCEPSS rescore
  10. 2026-06-28 14:06 UTCEPSS rescore
  11. 2026-06-28 14:06 UTCEPSS rescore
  12. 2026-06-28 04:55 UTCEPSS rescore
  13. 2026-06-28 04:55 UTCEPSS rescore
  14. 2026-06-27 14:04 UTCOSV refresh
  15. 2026-06-27 03:07 UTCEPSS rescore
  16. 2026-06-27 03:07 UTCEPSS rescore
  17. 2026-06-25 13:48 UTCEPSS rescore
  18. 2026-06-25 13:48 UTCEPSS rescore
  19. 2026-06-24 14:04 UTCEPSS rescore
  20. 2026-06-24 14:04 UTCEPSS rescore
  21. 2026-06-23 21:31 UTCEPSS rescore
  22. 2026-06-23 21:31 UTCEPSS rescore
  23. 2026-06-22 14:24 UTCEPSS rescore
  24. 2026-06-22 14:24 UTCEPSS rescore
  25. 2026-06-21 14:55 UTCEPSS rescore
Show 55 more
  1. 2026-06-21 14:55 UTCEPSS rescore
  2. 2026-06-21 01:58 UTCEPSS rescore
  3. 2026-06-21 01:58 UTCEPSS rescore
  4. 2026-06-19 19:24 UTCEPSS rescore
  5. 2026-06-19 19:24 UTCEPSS rescore
  6. 2026-06-18 17:51 UTCEPSS rescore
  7. 2026-06-17 17:51 UTCEPSS rescore
  8. 2026-06-17 17:51 UTCEPSS rescore
  9. 2026-06-16 17:51 UTCEPSS rescore
  10. 2026-06-16 17:51 UTCEPSS rescore
  11. 2026-06-15 17:47 UTCEPSS rescore
  12. 2026-06-15 17:47 UTCEPSS rescore
  13. 2026-06-14 23:16 UTCEPSS rescore
  14. 2026-06-13 22:59 UTCEPSS rescore
  15. 2026-06-13 22:59 UTCEPSS rescore
  16. 2026-06-12 23:10 UTCEPSS rescore
  17. 2026-06-12 23:10 UTCEPSS rescore
  18. 2026-06-11 13:59 UTCEPSS rescore
  19. 2026-06-11 13:59 UTCEPSS rescore
  20. 2026-06-10 22:17 UTCEPSS rescore
  21. 2026-06-10 13:21 UTCEPSS rescore
  22. 2026-06-10 13:21 UTCEPSS rescore
  23. 2026-06-10 00:47 UTCOSV refresh
  24. 2026-06-08 14:16 UTCEPSS rescore
  25. 2026-06-08 14:16 UTCEPSS rescore
  26. 2026-06-07 15:23 UTCEPSS rescore
  27. 2026-06-07 15:23 UTCEPSS rescore
  28. 2026-06-06 13:46 UTCEPSS rescore
  29. 2026-06-06 13:46 UTCEPSS rescore
  30. 2026-06-05 22:46 UTCEPSS rescore
  31. 2026-06-05 22:46 UTCEPSS rescore
  32. 2026-06-05 06:09 UTCEPSS rescore
  33. 2026-06-05 06:09 UTCEPSS rescore
  34. 2026-06-05 06:09 UTCEPSS rescore
  35. 2026-06-04 13:11 UTCEPSS rescore
  36. 2026-06-04 13:11 UTCEPSS rescore
  37. 2026-06-02 20:12 UTCEPSS rescore
  38. 2026-06-02 20:12 UTCEPSS rescore
  39. 2026-06-01 13:51 UTCEPSS rescore
  40. 2026-06-01 13:51 UTCEPSS rescore
  41. 2026-05-31 22:30 UTCEPSS rescore
  42. 2026-05-31 22:29 UTCEPSS rescore
  43. 2026-05-29 13:43 UTCEPSS rescore
  44. 2026-05-29 13:43 UTCEPSS rescore
  45. 2026-05-28 13:44 UTCEPSS rescore
  46. 2026-05-28 13:43 UTCEPSS rescore
  47. 2026-05-27 13:39 UTCEPSS rescore
  48. 2026-05-27 13:39 UTCEPSS rescore
  49. 2026-05-26 13:43 UTCEPSS rescore
  50. 2026-05-26 13:43 UTCEPSS rescore
  51. 2026-05-26 07:18 UTCEPSS rescore
  52. 2026-05-26 07:18 UTCEPSS rescore
  53. 2026-05-26 07:18 UTCEPSS rescore
  54. 2026-05-24 20:18 UTCEG score recompute
  55. 2026-05-24 20:18 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-3900?
CVE-2023-3900 is a medium vulnerability published on August 2, 2023. An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.
When was CVE-2023-3900 disclosed?
CVE-2023-3900 was first published in the National Vulnerability Database on August 2, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-3900 actively exploited?
CVE-2023-3900 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-3900?
CVE-2023-3900 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2023-3900?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3900, 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

Explore the affected products and dependency analysis for CVE-2023-3900

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