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CVE-2025-3879

Vault’s Azure Authentication Method bound_location Restriction Could be Bypassed on Login

Published: May 2, 2025Updated: Aug 12, 2025 Sources: CVE List NVD GHSA BDUCWE-863
NVD MITRE
6.6CVSSMEDIUM
EPSS Score
0.4%
Top 73.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Vault Community, Vault Enterprise (“Vault”) Azure Auth method did not correctly validate the claims in the Azure-issued token, resulting in the potential bypass of the bound_locations parameter on login. Fixed in Vault Community Edition 1.19.1 and Vault Enterprise 1.19.1, 1.18.7, 1.17.14, 1.16.18.

CVSS Vector Breakdown

AV:NAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-863

Affected Products

vaulthashicorp
SaaSSaaS Service
Cloud & SaaS
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Vault Community EditionHashiCorp
On-prem
Cloud & SaaS / api-gateway
Vault EnterpriseHashiCorp
SaaSSaaS Service
Cloud & SaaS
VaultHashiCorp
SaaSSaaS Service
Cloud & SaaS
hashicorpcommercialUSCloud & SaaSaka hashicorp inc.
ооо «ред софт»commercialRUOperating Systemsaka red soft
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716
discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716
discuss.hashicorp.com
https://redos.red-soft.ru/support/secure/uyazvimosti/uyazvimost-vault-cve-2025-3879/?sphrase_id=1075862
redos.red-soft.ru
and 3 more references View all →

Timeline

Published
May 2, 2025
Last Updated
Aug 12, 2025

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