CVE-2021-34579

Name: CVE-2021-34579
Creator: NVD / NIST
Published: 2022-11-09T17:15:10.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2021-34579 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.58%

43.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Phoenixcontact	Fl Mguard Dm	1.12.0
Phoenixcontact	Fl Mguard Dm	1.13.0

References

https://cert.vde.com/en/advisories/VDE-2021-035/Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2021-035/Third Party Advisory

Timeline

Published: Nov 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34579?

How severe is CVE-2021-34579?

CVE-2021-34579 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34579?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34579?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST