CVE-2024-43390: phoenix contact fl mguard 2102 Code Injection
CVSS: 8.1v3.1HighModified
Published 10-09-2024Last modified 22-08-2025
Vulnerability summary
CVE-2024-43390 is a high (CVSS 8.1) Code Injection vulnerability in phoenix contact fl mguard 2102. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 42.8% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-09-2024PublishedVulnerability first disclosed.
- 22-08-2025Last modifiedVulnerability information updated.
Description
A low privileged remote attacker can perform configuration changes of the firewall services, including packet forwarding or NAT through the FW_NAT.IN_IP environment variable which can lead to a DoS.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HSourcesAll 2 agree
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 18-09-2026
18-09-202618-10-2026
EPSS score0.52%
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 contact36 products
- fl mguard 2102< 10.4.1
- fl mguard 2105< 10.4.1
- fl mguard 4102 pci< 10.4.1
- fl mguard 4102 pcie< 10.4.1
- fl mguard 4302< 10.4.1
Phoenixcontact36 products
- fl_mguard_2102_firmware< 10.4.1
- fl_mguard_2105_firmware< 10.4.1
- fl_mguard_4102_pci_firmware< 10.4.1
- fl_mguard_4102_pcie_firmware< 10.4.1
- fl_mguard_4302_firmware< 10.4.1
2 vendors · 72 products
References
1 links- cert.vde.com/en/advisories/VDE-2024-039Third Party Advisory