CVE-2025-3879
6.6 · MEDIUMOverview
CVE-2025-3879 is a medium-severity vulnerability affecting hashicorp vault. It was published on May 2, 2025 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from hashicorp. Update vault to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| hashicorp | vault | >= 0.10.0, < 1.16.18 | Affected |
Frequently Asked Questions
What is CVE-2025-3879?
CVE-2025-3879 is a medium-severity vulnerability affecting hashicorp vault. It was published on May 2, 2025 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
How severe is CVE-2025-3879?
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-3879?
Check the references section for vendor advisories and patches from hashicorp. Update vault to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-3879?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-3879 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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