Auth bypass in Phoenix Contact Gmbh Mguard
CVE-2017-7937
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.
Vulnerability class: Broken Authentication
EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N.
Affected products
- Phoenix_contact_gmbh Mguard
- Phoenix_contact_gmbh Mguard_firmware — versions 8.3.0, 8.3.1, 8.3.2
- N/a Phoenix Contact Gmbh Mguard — versions Phoenix Contact GmbH mGuard
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-7937?
- CVE-2017-7937 is a medium-severity vulnerability in Phoenix Contact Gmbh Mguard, classified under Improper Authentication. CVSS score: 4.0/10. Published 2017-05-19.
- How severe is CVE-2017-7937?
- Medium severity. CVSS v3 base score is 4.0 out of 10.