CVE-2021-4471
HIGHTG8 Firewall - Unauthenticated Credential Exposure via HTTP Directory Traversal
Title source: llmDescription
TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory stores credential files for previously logged-in users. A remote unauthenticated attacker can enumerate and download files within the directory to obtain valid account usernames and passwords, leading to loss of confidentiality and further unauthorized access.
References (3)
Core 3
Core References
Various Sources technical-description
exploit
https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/
Various Sources product
https://web.archive.org/web/20211024224240/http://www.tg8security.com/
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/tg8-firewall-unauthenticated-user-password-disclosure
Scores
CVSS v4
8.7
EPSS
0.0058
EPSS Percentile
42.9%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-538
Status
published
Products (1)
TG8/TG8 Firewall
Published
Nov 14, 2025
Tracked Since
Feb 18, 2026