CVE-2024-43387 is a critical vulnerability affecting Phoenix Contact mGuard devices, allowing a low-privileged remote attacker to achieve root-level file read and write access due to improper neutralization of special characters in the EMAIL_RELAY_PASSWORD variable. With a CVSS score of 8.8 (HIGH), this vulnerability presents a significant risk, as it can be exploited remotely with low attack complexity and no user interaction, leading to high confidentiality, integrity, and availability impacts. While the EPSS score is low, indicating a lower probability of exploitation compared to most CVEs, there is currently no public exploit code available, nor is it listed in CISA's KEV catalog, and it has garnered no community discussion or media coverage.
| 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:H/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.