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High severity7.5NVD Advisory· Published Nov 10, 2021· Updated Jun 17, 2026

CVE-2021-34598

CVE-2021-34598

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Phoenixcontact/Fl Mguard 1102 Firmware3 versions
    cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.0:*:*:*:*:*:*:*
    • cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.1:*:*:*:*:*:*:*
    • cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.5.0:*:*:*:*:*:*:*
  • Phoenixcontact/Fl Mguard 1105 Firmware3 versions
    cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.0:*:*:*:*:*:*:*
    • cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.1:*:*:*:*:*:*:*
    • cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.5.0:*:*:*:*:*:*:*
  • Phoenixcontact/FL MGUARD 1102llm-fuzzy
    Range: 1.4.0, 1.4.1, 1.5.0
  • Phoenixcontact/Fl Mguard Dmcpe-rescue
    Range: 1.4.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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