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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (19.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
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)
References
- cert.vde.com/en/advisories/VDE-2021-046/ (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.