CVE-2025-66406

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

03/12/2025

Last modified:

03/12/2025

Description

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): High

Base Score 3.x

5.00

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/smallstep/certificates/security/advisories/GHSA-j7c9-79x7-8hpr