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CVE-2025-52893

4.5 · MEDIUM

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys.

Published Jun 25, 2025CWE-532EPSS 0.33%

Overview

CVE-2025-52893 is a medium-severity vulnerability. It was published on June 25, 2025 and has a CVSS 3.1 base score of 4.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. OpenBao before v2.3.0 may leak sensitive information in logs when processing malformed data. This is separate from the earlier HCSEC-2025-09 / CVE-2025-4166. This issue has been fixed in OpenBao v2.3.0 and later. Like with HCSEC-2025-09, there is no known workaround except to ensure properly formatted requests from all clients.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refdiscuss.hashicorp.com/t/hcsec-2025-09-vault-may-expose-sensitive-information-in-error-logs-when-processing-malformed-data-with-the-kv-v2-plugin/74717GitHubgithub.com/go-viper/mapstructure/commit/ed3f92181528ff776a0324107b8b55026e93766aGitHubgithub.com/go-viper/mapstructure/pull/105GitHubgithub.com/go-viper/mapstructure/releases/tag/v2.3.0GitHubgithub.com/openbao/openbao/commit/cf5e920badbf96b41253534a3fd5ff5063bf4b30GitHubgithub.com/openbao/openbao/security/advisories/GHSA-8f5r-8cmq-7fmq

How CyberStrike helps

Frequently asked questions

What is CVE-2025-52893?

CVE-2025-52893 is a medium-severity vulnerability. It was published on June 25, 2025 and has a CVSS 3.1 base score of 4.5 (MEDIUM).

How severe is CVE-2025-52893?

This vulnerability has a CVSS 3.1 base score of 4.5, 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-2025-52893?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2025-52893?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-52893 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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