VulnerabilityModified
CVE-2017-5159
An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0.
CRITICAL 9.8EPSS 2.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.43% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-99
- Affected
- phoenixcontact/mguard firmware
- Source
- ics-cert@hq.dhs.gov
References
- http://www.securityfocus.com/bid/95648Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01Mitigation, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/95648Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01Mitigation, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.