CVE-2017-7937

4.0 mediumEPSS 0.7%

Medium (4.0) in phoenix contact gmbh mguard firmware. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

4.0 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2017-05-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

phoenix_contact_gmbh:mguard_firmware

References

https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01
https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01

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