What is the CVSS score of CVE-2017-7937?

CVE-2017-7937 has a CVSS 3.0 base score of 4.0 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N. EPSS exploitation probability: 0.2%.

Mguard Firmware CVE-2017-7937

MEDIUM

Improper Authentication (CWE-287)

2017-05-19 ics-cert@hq.dhs.gov

Authentication Bypass Mguard Firmware

4.0

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

4.0 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

May 19, 2017 - 03:29 cve.org

MEDIUM 4.0

DescriptionCVE.org

An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may be able to gain unauthorized access to the user firewall when RADIUS servers are unreachable.

AnalysisAI

An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may be able to gain unauthorized access to the user firewall when RADIUS servers are unreachable. Affected products include: Phoenix Contact Gmbh Mguard Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.