CVE-2021-4471

HIGH EPSS 43.3%
Published Nov 14, 20257mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
High
Find Similar
Published Nov 14, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
43.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-538

References 3

  • ssd-disclosure.com https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/
  • web.archive.org https://web.archive.org/web/20211024224240/http://www.tg8security.com/
  • vulncheck.com https://www.vulncheck.com/advisories/tg8-firewall-unauthenticated-user-password-disclosure

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.