CVE-2024-43391 is a high-severity vulnerability affecting Phoenix Contact products, allowing a low-privileged remote attacker to manipulate firewall configurations, including packet filtering and NAT, via the FW_PORTFORWARDING.SRC_IP environment variable. This can lead to a Denial of Service (DoS) with a CVSS score of 8.1. The attack requires low privileges and no user interaction, making it easily exploitable. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 8.9.3CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_4g_vzw_vpn_firmware:*:*:*:*:*:*:*:* | ||
< 8.9.3CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_4g_vpn_firmware:*:*:*:*:*:*:*:* | ||
< 8.9.3CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_4g_att_vpn_firmware:*:*:*:*:*:*:*:* | ||
< 8.9.3CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:tc_mguard_rs4000_3g_vpn_firmware:*:*:*:*:*:*:*:* | ||
< 8.9.3CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:tc_mguard_rs2000_4g_vzw_vpn_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.