CVE-2023-2673: phoenix contact fl mguard 2102
CVSS: 5.3v3.1MediumModified
Published 13-06-2023Last modified 03-01-2025
Vulnerability summary
CVE-2023-2673 is a medium (CVSS 5.3) vulnerability in phoenix contact fl mguard 2102. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.6% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-06-2023PublishedVulnerability first disclosed.
- 03-01-2025Last modifiedVulnerability information updated.
Description
Improper Input Validation vulnerability in PHOENIX CONTACT FL/TC MGUARD Family in multiple versions may allow UDP packets to bypass the filter rules and access the solely connected device behind the MGUARD which can be used for flooding attacks.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.62% on 18-09-2026
18-09-202618-10-2026
EPSS score0.62%
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 contact26 products
- fl mguard 2102≤ 10.1.1
- fl mguard 4102 pci≤ 10.1.1
- fl mguard 4102 pcie≤ 10.1.1
- fl mguard 4302≤ 10.1.1
- fl mguard centerport≤ 8.9.0
Phoenixcontact26 products
- fl_mguard_2102_firmware≤ 10.1.1
- fl_mguard_4102_pci_firmware≤ 10.1.1
- fl_mguard_4102_pcie_firmware≤ 10.1.1
- fl_mguard_4302_firmware≤ 10.1.1
- fl_mguard_centerport_firmware≤ 8.9.0
2 vendors · 52 products