CVE-2022-3480: phoenix contact fl mguard centerport
CVSS: 7.5v3.1HighModified
Published 15-11-2022Last modified 29-04-2025
Vulnerability summary
CVE-2022-3480 is a high (CVSS 7.5) vulnerability in phoenix contact fl mguard centerport. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-11-2022PublishedVulnerability first disclosed.
- 29-04-2025Last modifiedVulnerability information updated.
Description
A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections cannot prevent the issue.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.91% on 19-09-2026
19-09-202619-10-2026
EPSS score0.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Phoenix contact31 products
- fl mguard centerport< 8.9.0
- fl mguard centerport vpn-1000< 8.9.0
- fl mguard core tx< 8.9.0
- fl mguard core tx vpn< 8.9.0
- fl mguard delta tx/tx< 8.9.0
Phoenixcontact31 products
- fl_mguard_centerport_firmware< 8.9.0
- fl_mguard_centerport_vpn-1000_firmware< 8.9.0
- fl_mguard_core_tx_firmware< 8.9.0
- fl_mguard_core_tx_vpn_firmware< 8.9.0
- fl_mguard_delta_tx\/tx_firmware< 8.9.0
2 vendors · 62 products