CVE-2021-22175

CRITICALNVD 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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 1 internet-exposed host is running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 53%CVSS: 6.8Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 1

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

Live · internet exposure

1 internet-exposed host is running an affected version of CVE-2021-22175 right now.

across 1 countries (United States)top: gitlab
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

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 PROB
53%
EPSS %ILE
99%
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 60× in last 7d / 252× 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 917 total refreshes for this CVE.

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

Explore →

Is Your Infrastructure Affected by CVE-2021-22175?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs