CVE-2021-4470
TG8 Firewall contains a pre-authentication remote code execution vulnerability in the runphpcmd.php endpoint.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
TG8 Firewall contains a pre-authentication remote code execution vulnerability in the runphpcmd.php endpoint. The syscmd POST parameter is passed directly to a system command without validation and executed with root privileges. A remote, unauthenticated attacker can supply crafted values to execute arbitrary operating system commands as root, resulting in full device compromise.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 1.01% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Source
- disclosure@vulncheck.com
References
- https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/
- https://web.archive.org/web/20211024224240/http://www.tg8security.com/
- https://www.vulncheck.com/advisories/tg8-firewall-unauthenticated-rce-via-runphpcmd-php
- https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.