CVE-2021-34598

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

Published Nov 10, 2021 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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

Vendor Solution

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


Vendor Workaround

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

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-21248 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
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Sep 16, 2024, 6:39 PM
Reserved
Jun 10, 2021, 12:00 AM
Status
Modified
Published
Nov 10, 2021, 12:15 PM
Modified
Jun 17, 2026, 3:56 AM