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CVE-2025-3879

Good to know:

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Date: May 2, 2025

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.

Severity Score

Related Resources (6)

https://github.com/hashicorp/vault
https://pkg.go.dev/vuln/GO-2025-3662
https://github.com/advisories/GHSA-f9ch-h8j7-8jwg
https://nvd.nist.gov/vuln/detail/CVE-2025-3879
https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716
https://www.mend.io/vulnerability-database/CVE-2025-3879

Severity Score

Weakness Type (CWE)

Incorrect Authorization

CWE-863

Top Fix

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Upgrade to version github.com/hashicorp/vault - v1.19.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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