CVE-2025-6015 Vault Login MFA Bypass of Rate Limiting and TOTP Code Reuse

What is CVE-2025-6015?

CVE-2025-6015 is a medium-severity vulnerability in Hashicorp Vault, published on 1 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Vault and Vault Enterprise’s (“Vault”) login MFA rate limits could be bypassed and TOTP tokens could be reused. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

Weakness: CWE-307

Which versions are affected by CVE-2025-6015?

4 open source packages ship an affected version, including github.com/hashicorp/vault and vault. It affects 1 product.

Products include Hashicorp Vault.

How do I fix CVE-2025-6015?

Upgrade github.com/hashicorp/vault to 1.20.1 or later.

Is CVE-2025-6015 being exploited?

There is no known exploitation of CVE-2025-6015 in the wild and no public exploit code.

Other vulnerabilities in Hashicorp Vault

• CVE-2020-35192 Hardcoded credentials in n/a Critical 9.8
• CVE-2020-12757 Improper Input Validation in HashiCorp Vault Critical 9.8
• CVE-2025-6000 Arbitrary Remote Code Execution via Plugin Catalog Abuse Critical 9.1
• CVE-2022-40186 HashiCorp Vault vulnerable to incorrect metadata access Critical 9.1
• CVE-2022-36129 Missing authorization in n/a Critical 9.1

All Hashicorp Vault vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-vault-2025-6015, CLEANSTART-2026-PZ14685, GHSA-v6r4-35f9-9rpw, GO-2025-3842, MINI-4h2r-8vqr-96qf.