VulnerabilityModified
CVE-2017-7937
An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2.
MEDIUM 4.0EPSS 0.71%
Does this matter?
Lower severity and a low EPSS score (0.71%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 4.0 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- EPSS
- 0.71% probability · 53th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- phoenix contact gmbh/mguard firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01Third Party Advisory, US Government Resource
- https://ics-cert.us-cert.gov/advisories/ICSA-17-131-01Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.