CVE-2021-34582

4.8 mediumEPSS 0.3%

Medium (4.8) in phoenixcontact. EPSS 0.3% chance of exploitation in the next 30 days.

In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file.

Severity

CVSS 3.1

4.8 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-11-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

phoenixcontact:fl_mguard_1102_firmware
phoenixcontact:fl_mguard_1105_firmware

References

https://cert.vde.com/en/advisories/VDE-2021-046/
https://cert.vde.com/en/advisories/VDE-2021-046/

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