CVE-2021-34582: phoenix contact fl mguard Cross-site Scripting
CVSS: 4.8v3.1MediumModified
Published 10-11-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-34582 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in phoenix contact fl mguard. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.4% of scored vulnerabilities.
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-11-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 19-09-2026
19-09-202619-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Phoenixcontact2 products
- fl_mguard_1102_firmware1.4.0 | 1.4.1 | 1.5.0
- fl_mguard_1105_firmware1.4.0 | 1.4.1 | 1.5.0
Phoenix contact1 product
- fl mguard≥ 1.4.0, < FL MGUARD 1102 (No. 1153079)* | ≥ 1.4.0, < FL MGUARD 1105 (No. 1153078)*
2 vendors · 3 products