CVE-2025-11621

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 61% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

A fix is available — apply it.

Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

October 23, 2025

Last Modified

December 29, 2025

References (1)

Vendor Advisories for CVE-2025-11621(7)

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

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatopenshift-pipelines/pipelines-cli-tkn-rhel9:17726948652026-03-05redhat
redhatrhtas/policy-controller-rhel9:0.0.2-17635504442025-11-25redhat
redhatrhtas/timestamp-authority-rhel9:1.3.1-17635431942025-11-24redhat
redhatrhtas/gitsign-rhel9:1.3.1-17635459562025-11-24redhat
redhatrhtas/fulcio-rhel9:1.3.1-17635431312025-11-24redhat
redhatrhtas/rekor-server-rhel9:1.3.1-17635456852025-11-24redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/hashicorp/vault—1.21.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 29× 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 139 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-11621?
CVE-2025-11621 is a high vulnerability published on October 23, 2025. Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role of the configured boundprincipaliam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise…
When was CVE-2025-11621 disclosed?
CVE-2025-11621 was first published in the National Vulnerability Database on October 23, 2025, with the most recent update on December 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-11621 actively exploited?
CVE-2025-11621 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 59.5% of all scored CVEs.
What is the CVSS score of CVE-2025-11621?
CVE-2025-11621 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-11621?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-11621, 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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