What is the CVSS score of CVE-2025-49603?

CVE-2025-49603 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.1%.

Which versions of Northern.tech Mender Server are affected by CVE-2025-49603?

Organizations using Northern.tech Mender Server before 3.7.11 and 4.x before 4.0.1 face critical risk from CVE-2025-49603, a improper access control vulnerability rated CVSS 9.1.

How to fix or mitigate CVE-2025-49603?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Northern.tech Mender Server CVE-2025-49603

EUVD-2025-28312 CRITICAL

Improper Access Control (CWE-284)

2025-06-26 cve@mitre.org

Authentication Bypass

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 23:54 euvd

EUVD-2025-28312

Analysis Generated

Mar 15, 2026 - 23:54 vuln.today

CVE Published

Jun 26, 2025 - 18:15 nvd

CRITICAL 9.1

DescriptionCVE.org

Northern.tech Mender Server before 3.7.11 and 4.x before 4.0.1 has Incorrect Access Control.

AnalysisAI

A security vulnerability in Northern.tech Mender Server before 3.7.11 and 4.x before 4.0.1 (CVSS 9.1). Critical severity with potential for significant impact on affected systems.

Technical ContextAI

CWE-284 (Improper Access Control). CVSS 9.1 indicates critical severity with likely remote exploitation vector. Affects Northern.tech Mender Server before 3.7.11 and 4.x before 4.0.1.