Vulnerability DatabaseCVE-2025-66406
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2025-66406
December 03, 2025
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.
Affected Packages
github.com/smallstep/certificates (GO):
Affected version(s) >=v0.8.1-rc.1 <v0.29.0
Fix Suggestion:
Update to version v0.29.0
Related Resources (2)
https://github.com/smallstep/certificates
https://github.com/smallstep/certificates/security/advisories/GHSA-j7c9-79x7-8hpr
Do you need more information?
Contact Us
CVSS v4
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Incorrect Authorization
CWE-863
Improper Authorization
CWE-285
EPSS
Base Score:
0.03