CVE-2021-22175

MEDIUMNVD 6.89.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-02-18), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.8 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
6.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 53%CVSS: 6.8Exploit: NoneExposed: 0

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

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled

CVSS v3
6.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: 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
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
98.9%
KEV
⚠ Exploited

Published

June 11, 2021

Last Modified

February 20, 2026

Advisory Details (3)

Auto-updated Jun 12, 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-2021-22175
generic

Unauthenticated CI lint API may lead to information disclosure and SSRF (#294178) · Issues · GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/issues/294178
generic

2021/CVE-2021-22175.json · master · GitLab.org / GitLab CVE assignments · GitLab

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 57× in last 7d / 245× 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 446 total refreshes for this CVE.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:57 UTCEG score recompute
  3. 2026-07-22 22:35 UTCEG score recompute
  4. 2026-07-22 22:35 UTCGHSA enrichment
  5. 2026-07-22 19:40 UTCCISA KEV update
  6. 2026-07-22 18:52 UTCGHSA enrichment
  7. 2026-07-22 15:10 UTCEG score recompute
  8. 2026-07-22 15:09 UTCGHSA enrichment
  9. 2026-07-22 14:05 UTCEPSS rescore
  10. 2026-07-22 11:26 UTCGHSA enrichment
  11. 2026-07-22 07:43 UTCGHSA enrichment
  12. 2026-07-22 04:01 UTCGHSA enrichment
  13. 2026-07-22 00:03 UTCGHSA enrichment
  14. 2026-07-21 18:34 UTCEG score recompute
  15. 2026-07-21 18:34 UTCGHSA enrichment
  16. 2026-07-21 15:22 UTCEPSS rescore
  17. 2026-07-21 15:22 UTCEPSS rescore
  18. 2026-07-21 14:51 UTCGHSA enrichment
  19. 2026-07-21 14:37 UTCCISA KEV update
  20. 2026-07-21 11:08 UTCGHSA enrichment
  21. 2026-07-21 07:25 UTCGHSA enrichment
  22. 2026-07-21 03:43 UTCGHSA enrichment
  23. 2026-07-21 00:01 UTCGHSA enrichment
  24. 2026-07-20 20:19 UTCEG score recompute
  25. 2026-07-20 20:19 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 17:04 UTCEPSS rescore
  2. 2026-07-20 16:37 UTCGHSA enrichment
  3. 2026-07-20 12:55 UTCGHSA enrichment
  4. 2026-07-20 09:12 UTCGHSA enrichment
  5. 2026-07-20 05:30 UTCGHSA enrichment
  6. 2026-07-20 01:48 UTCGHSA enrichment
  7. 2026-07-19 22:05 UTCGHSA enrichment
  8. 2026-07-19 18:23 UTCGHSA enrichment
  9. 2026-07-19 14:41 UTCGHSA enrichment
  10. 2026-07-19 10:59 UTCGHSA enrichment
  11. 2026-07-19 07:17 UTCGHSA enrichment
  12. 2026-07-19 03:35 UTCEG score recompute
  13. 2026-07-19 03:35 UTCGHSA enrichment
  14. 2026-07-19 02:26 UTCEPSS rescore
  15. 2026-07-18 23:53 UTCGHSA enrichment
  16. 2026-07-18 20:10 UTCGHSA enrichment
  17. 2026-07-18 16:27 UTCGHSA enrichment
  18. 2026-07-18 12:44 UTCEG score recompute
  19. 2026-07-18 12:44 UTCGHSA enrichment
  20. 2026-07-18 10:02 UTCEPSS rescore
  21. 2026-07-18 09:01 UTCGHSA enrichment
  22. 2026-07-18 05:18 UTCGHSA enrichment
  23. 2026-07-18 01:35 UTCGHSA enrichment
  24. 2026-07-17 21:53 UTCGHSA enrichment
  25. 2026-07-17 18:10 UTCGHSA enrichment
  26. 2026-07-17 14:28 UTCGHSA enrichment
  27. 2026-07-17 10:45 UTCGHSA enrichment
  28. 2026-07-17 07:03 UTCEG score recompute
  29. 2026-07-17 07:03 UTCGHSA enrichment
  30. 2026-07-17 03:21 UTCGHSA enrichment
  31. 2026-07-16 23:39 UTCGHSA enrichment
  32. 2026-07-16 19:57 UTCGHSA enrichment
  33. 2026-07-16 17:04 UTCCISA KEV update
  34. 2026-07-16 17:00 UTCEPSS rescore
  35. 2026-07-16 16:15 UTCGHSA enrichment
  36. 2026-07-16 12:31 UTCGHSA enrichment
  37. 2026-07-16 08:49 UTCGHSA enrichment
  38. 2026-07-16 05:07 UTCGHSA enrichment
  39. 2026-07-16 01:25 UTCGHSA enrichment
  40. 2026-07-15 21:41 UTCGHSA enrichment
  41. 2026-07-15 17:59 UTCGHSA enrichment
  42. 2026-07-15 16:55 UTCEPSS rescore
  43. 2026-07-15 16:55 UTCEPSS rescore
  44. 2026-07-15 16:49 UTCCISA KEV update
  45. 2026-07-15 15:04 UTCCISA KEV update
  46. 2026-07-15 14:17 UTCGHSA enrichment
  47. 2026-07-15 10:35 UTCGHSA enrichment
  48. 2026-07-15 06:50 UTCGHSA enrichment
  49. 2026-07-15 03:08 UTCGHSA enrichment
  50. 2026-07-15 01:57 UTCEPSS rescore
  51. 2026-07-14 23:25 UTCGHSA enrichment
  52. 2026-07-14 19:43 UTCGHSA enrichment
  53. 2026-07-14 18:05 UTCCISA KEV update
  54. 2026-07-14 16:00 UTCGHSA enrichment
  55. 2026-07-14 12:18 UTCGHSA enrichment
  56. 2026-07-14 08:36 UTCGHSA enrichment
  57. 2026-07-14 04:54 UTCGHSA enrichment
  58. 2026-07-14 01:12 UTCGHSA enrichment
  59. 2026-07-13 21:30 UTCGHSA enrichment
  60. 2026-07-13 17:48 UTCGHSA enrichment
  61. 2026-07-13 17:07 UTCCISA KEV update
  62. 2026-07-13 14:05 UTCGHSA enrichment
  63. 2026-07-13 10:23 UTCGHSA enrichment
  64. 2026-07-13 06:41 UTCGHSA enrichment
  65. 2026-07-13 06:10 UTCEPSS rescore
  66. 2026-07-13 06:10 UTCEPSS rescore
  67. 2026-07-13 02:58 UTCGHSA enrichment
  68. 2026-07-12 23:14 UTCGHSA enrichment
  69. 2026-07-12 19:31 UTCGHSA enrichment
  70. 2026-07-12 15:49 UTCGHSA enrichment
  71. 2026-07-12 12:07 UTCGHSA enrichment
  72. 2026-07-12 08:24 UTCGHSA enrichment
  73. 2026-07-12 05:44 UTCEPSS rescore
  74. 2026-07-12 05:44 UTCEPSS rescore
  75. 2026-07-12 04:41 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/2021/CVE-2021-22175.yaml
    First seen Jan 1, 2021

    GitLab CI Lint API - Server-Side Request Forgery

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2021-22175?
CVE-2021-22175 is a medium vulnerability published on June 11, 2021. When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled
When was CVE-2021-22175 disclosed?
CVE-2021-22175 was first published in the National Vulnerability Database on June 11, 2021, with the most recent update on February 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-22175 actively exploited?
Yes. CISA added CVE-2021-22175 to the Known Exploited Vulnerabilities catalog on February 18, 2026, affecting GitLab GitLab. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-22175?
CVE-2021-22175 has a CVSS v3 base score of 6.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
Which products are affected by CVE-2021-22175?
CVE-2021-22175 affects GitLab GitLab. 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-2021-22175?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22175, 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-2021-22175

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