CVE-2025-55000 - CVE House
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Status published Medium CVE-2025-55000

OpenBao TOTP Secrets Engine Enables Code Reuse

Vulnerability Description

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, OpenBao's TOTP secrets engine could accept valid codes multiple times rather than strictly-once. This was caused by unexpected normalization in the underlying TOTP library. To work around, ensure that all codes are first normalized before submitting to the OpenBao endpoint. TOTP code verification is a privileged action; only trusted systems should be verifying codes.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

openbao
Vulnerable Versions:
>= 0.1.0, < 2.3.2

Timeline

Official Publish: August 9th, 2025
Last Modified: August 11th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-156

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.