Directory Access Vulnerability in TG8 Firewall by TG8 Security
CVE-2021-4471

8.7HIGH

Key Information:

Vendor

Tg8

Status
Tg8 Firewall
Vendor
CVE Published:
14 November 2025

Badges

👾 Exploit Exists

What is CVE-2021-4471?

The TG8 Firewall has a vulnerability that allows remote unauthenticated attackers to access a sensitive directory over HTTP. This directory contains credential files for users who have previously logged in. By exploiting this flaw, attackers can enumerate and download these files, thereby compromising valid account usernames and passwords. This leads to significant risks, including unauthorized access and a loss of confidentiality of user information, which poses severe security implications.

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Affected Version(s)

TG8 Firewall 0

References

https://ssd-disclosure.com/ssd-advisory-tg8-firewall-prea...
technical-descriptionexploit
https://web.archive.org/web/20211024224240/http://www.tg8...
product
https://www.vulncheck.com/advisories/tg8-firewall-unauthe...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

SSD Secure Disclosure
JSON
.