CVE-2025-44005 | An attacker can bypass authorization checks and force a Step… | CVSS 10.0 CRITICAL

Description

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

Metadata

CVE ID: CVE-2025-44005
State: PUBLISHED
Assigner: talos
Reserved: 2025-07-28 19:00 UTC
Published: 2025-12-17 15:16 UTC
Last updated: 2025-12-17 18:00 UTC
Primary CWE: CWE-287
CWE-287: Improper Authentication
Vendor / Product: smallstep / Step-CA
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
smallstep	Step-CA	—	0.28.4, v0.28.3

Weakness (CWE)

CWE	Source	Description
CWE-287	cna	CWE-287: Improper Authentication

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

References (2)

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2242 https://talosintelligence.com/vulnerability_reports/TALOS-2025-2242
https://github.com/smallstep/certificates/security/advisories/GHSA-h8cp-697h-8c8p https://github.com/smallstep/certificates/security/advisories/GHSA-h8cp-697h-8c8p