CVE-2021-34579: phoenix contact fl mguard dm (2981974) Improper Privilege Management

Vulnerability summary

CVE-2021-34579 is a high (CVSS 7.5) Improper Privilege Management vulnerability in phoenix contact fl mguard dm (2981974). EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.4% of scored vulnerabilities.

Timeline

1. 09-11-2022
   PublishedVulnerability first disclosed.
2. 29-04-2025
   Last modifiedVulnerability information updated.

Description

In Phoenix Contact: FL MGUARD DM version 1.12.0 and 1.13.0 access to the Apache web server being installed as part of the FL MGUARD DM on Microsoft Windows does not require login credentials even if configured during installation.Attackers with network access to the Apache web server can download and therefore read mGuard configuration profiles (“ATV profiles”). Such configuration profiles may contain sensitive information, e.g. private keys associated with IPsec VPN connections.

• CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.