by Kastro
Paper/Archive/CVE-2025-44005

CVE-2025-44005

smallstep Step-CA — An attacker can bypass authorization checks and force a Step CA ACME or SCEP provisioner to create certificates without completing certai…

EPSS 9%public exploitCVSS 10.0
critical.is priorityof 100
59
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 95.3.953 × 2019.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

An attacker can bypass authorization checks and force a Step CA ACME or SCEP provisioner to create certificates without completing certain protocol authorization checks.

Affected

ProductAffectedFixed inSource
Step-CA0.28.4–CNA
Step-CAv0.28.3–CNA

Scores by source

talos (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

reftalosintelligence.com/vulnerability_reports/TALOS-2025-2242refgithub.com/smallstep/certificates/security/advisories/GHSA-h8cp-697h-8c8preftalosintelligence.com/vulnerability_reports/TALOS-2025-2242