How severe is CVE-2025-6015?

CVE-2025-6015 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-6015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6015?

CVE-2025-6015 primarily affects Hashicorp Vault. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-6015?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6015 have an EU (EUVD) identifier?

Yes. CVE-2025-6015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23379.

When was CVE-2025-6015 published?

CVE-2025-6015 was published on 2025-08-01 and last updated on 2026-06-17.

CVE-2025-6015

CVE-2025-6015 is a medium-severity vulnerability in Hashicorp Vault with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23379
Weakness: CWE-307
Affected product: Hashicorp Vault
Published: 2025-08-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-6015?: 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.
How severe is CVE-2025-6015?: CVE-2025-6015 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-6015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6015?: CVE-2025-6015 primarily affects Hashicorp Vault. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-6015?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6015 have an EU (EUVD) identifier?: Yes. CVE-2025-6015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23379.
When was CVE-2025-6015 published?: CVE-2025-6015 was published on 2025-08-01 and last updated on 2026-06-17.

References

https://discuss.hashicorp.com/t/hcsec-2025-19-vault-login-mfa-bypass-of-rate-limiting-and-totp-token-reuse/76038

Affected products (3)

cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
cpe:2.3:a:hashicorp:vault:1.20.0:*:*:*:enterprise:*:*:*

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