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CVE-2025-11621

Vault AWS auth method bypass due to AWS client cache

Published: Oct 23, 2025Updated: Dec 29, 2025 Sources: CVE List NVD GHSA BDUCWE-288
8.1HIGH
NVD MITRE
EPSS Score
0.5%
Top 60.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-288

Affected Products

Red Hat Inc.
commercial·USaka red hat
Red Hat Openshift Data FoundationOn-prem
Operating Systems / linux-distro
Red Hat OpenShift Container PlatformOn-prem
Operating Systems / linux-distro
Red Hat Trusted Artifact SignerOn-prem
Operating Systems / linux-distro
Zero Trust Workload Identity ManagerOn-prem
Operating Systems / linux-distro
OpenShift PipelinesOn-prem
Operating Systems / linux-distro
HashiCorp
commercial·USaka hashicorp inc.
VaultSaaSSaaS Service
Cloud & SaaS
Vault EnterpriseSaaSSaaS Service
Cloud & SaaS
Vault Community EditionSaaSSaaS Service
Cloud & SaaS
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
Fedora EPELOn-prem
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
Go
package-ecosystem
github.com/hashicorp/vault
OSS Libraries
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2025-11621?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709
discuss.hashicorp.com
http://repo.red-soft.ru/redos/7.3c/x86_64/updates/
repo.red-soft.ru
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2025-11621
bugzilla.redhat.com
and 5 more references View all →

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