CVE-2025-11621

highpriority · track · 0OT risk · elevatedEPSS 0.005 · 42 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.49% (42nd) EPSS
CVSS 8.1 · high
Is it mine?
39 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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

01

cvss

Technical severity, 0–10. One row per scoring source.

8.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · security@hashicorp.comexploitability 2.8 · impact 5.2
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV
v3.17.4highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-288USCWE-288USCWE-288US
04

affected products (39)

Products and version ranges known to be affected.

showing 20 of 39
05

advisories (4)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2025-2396Hashicorp Vault: Mehrere SchwachstellenDeutsch2025-10-23csaf · cert_bundDE

    Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Hashicorp Vault ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial-of-Service-Zustand zu erzeugen.

  • GHSA-9g4h-h484-3578HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass2025-10-23ghsa · osvUS

    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 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.

  • BIT-vault-2025-11621Vault AWS auth method bypass due to AWS client cache2025-10-28vendor · osvUS

    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

  • GO-2025-4070HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass in github.com/hashicorp/vault2025-10-30vendor · osvUS

    HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass in github.com/hashicorp/vault

06

also known as (7)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundNVDCVE.orgMITRE
published 2025-10-23modified 2026-10-18
08

references (5)

External citations — patches, advisories, analysis.

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