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CVE-2025-6015

Vault Login MFA Bypass of Rate Limiting and TOTP Code Reuse

MEDIUM
5.7
CVSS Score
Published: August 1, 2025 at 06:03 PM UTC
Updated: June 17, 2026 at 10:00 AM UTC
1 product affected across 1 vendorVault

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vault· Hashicorp
95%
1.10.0 ≤ v < 1.16.231.10.0 ≤ v < 1.20.11.17.0 ≤ v < 1.18.121.19.0 ≤ v < 1.19.71.10.01.20.0
Affected range stops below 1.16.23, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.18.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.19.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.20.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://discuss.hashicorp.com/t/hcsec-2025-19-vault-login-mfa-bypass-of-rate-limiting-and-totp-token-reuse/76038

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.7MEDIUMHashiCorp
Vector?

Quick Info

StatusANALYZED
CWE
CWE-307

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