What is CVE-2021-34582?

CVE-2021-34582 is a medium-severity vulnerability in Phoenix Contact Fl Mguard, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-10.

How severe is CVE-2021-34582?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Phoenix Contact Fl Mguard

CVE-2021-34582

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Phoenix Contact Fl Mguard — versions 1.4.0
Phoenixcontact Fl_mguard_1102
Phoenixcontact Fl_mguard_1102_firmware — versions 1.4.0, 1.4.1, 1.5.0
Phoenixcontact Fl_mguard_1105
Phoenixcontact Fl_mguard_1105_firmware — versions 1.4.0, 1.4.1, 1.5.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-34582?: CVE-2021-34582 is a medium-severity vulnerability in Phoenix Contact Fl Mguard, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-10.
How severe is CVE-2021-34582?: Medium severity. CVSS v3 base score is 4.8 out of 10.