CVE-2021-34598

Phoenix Contact: FL MGUARD lack of memory release in remote logging functionality

Description

In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote logging is active

Remediation

Solution:

  • PHOENIX CONTACT recomments to upgrade to firmware version 1.5.1 (or any later version).

Workaround:

  • To prevent the possibility of an attack, it is recommended to deactivate remote logging.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.27%
Third-Party Advisory vde.com
Affected: PHOENIX CONTACT FL MGUARD
Published at:
Updated at:

References

Link Tags
https://cert.vde.com/en/advisories/VDE-2021-046/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-34598?
CVE-2021-34598 has been scored as a high severity vulnerability.
How to fix CVE-2021-34598?
To fix CVE-2021-34598: PHOENIX CONTACT recomments to upgrade to firmware version 1.5.1 (or any later version).
Is CVE-2021-34598 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34598 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34598?
CVE-2021-34598 affects PHOENIX CONTACT FL MGUARD.
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