CVE-2017-5159 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Phoenixcontact	Mguard Firmware	8.4.0

Related Weaknesses (CWE)

CWE-99

References

http://www.securityfocus.com/bid/95648Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01MitigationThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/95648Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01MitigationThird Party AdvisoryUS Government Resource

FAQ

What is CVE-2017-5159?

CVE-2017-5159 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 succe...

How severe is CVE-2017-5159?

CVE-2017-5159 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-5159?

Check the references section above for vendor advisories and patch information. Affected products include: Phoenixcontact Mguard Firmware.