CVE ID

CVE-2021-34598

Severity

7.5

Vulnerability Type

Missing Release of Memory after Effective Lifetime (CWE-401)

Summary

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

Impact

If remote logging is activated, an attacker can cause a high number of events to be logged, which can lead to a system restart.