CVE-2024-43390
Phoenix Contact: Firewall reconfiguration due to improper input validation in MGUARD devices
- Published
- Updated
- Reserved
- Assigned by
- CERTVDE
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.
Timeline
ID reserved
By CERTVDE
- 29 days later
· 29 days later
Published
- 12 months later
· 12 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CERTVDECNA (assigner) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.52% · top 56% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
Affected products
PHOENIX CONTACT · FL MGUARD 2102
- affected < 10.4.1
PHOENIX CONTACT · FL MGUARD 2105
- affected < 10.4.1
PHOENIX CONTACT · FL MGUARD 4102 PCI
- affected < 10.4.1
PHOENIX CONTACT · FL MGUARD 4102 PCIE
- affected < 10.4.1
PHOENIX CONTACT · FL MGUARD 4302
- affected < 10.4.1
PHOENIX CONTACT · FL MGUARD 4305
- affected < 10.4.1
PHOENIX CONTACT · FL MGUARD CENTERPORT VPN-1000
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD CORE TX
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD CORE TX VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD DELTA TX/TX
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD DELTA TX/TX VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD GT/GT
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD GT/GT VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD PCI4000
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD PCI4000 VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD PCIE4000
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD PCIE4000 VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS2000 TX/TX-B
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS2000 TX/TX VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS2005 TX VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS4000 TX/TX
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS4000 TX/TX-M
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS4000 TX/TX-P
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS4000 TX/TX VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS4004 TX/DTX
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD RS4004 TX/DTX VPN
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD SMART2
- affected < 8.9.3
PHOENIX CONTACT · FL MGUARD SMART2 VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS2000 3G VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS2000 4G ATT VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS2000 4G VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS2000 4G VZW VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS4000 3G VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS4000 4G ATT VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS4000 4G VPN
- affected < 8.9.3
PHOENIX CONTACT · TC MGUARD RS4000 4G VZW VPN
- affected < 8.9.3
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-43390)Record last updated .