CVE-2021-4471

TG8 Firewall Unauthenticated User Password Disclosure

HIGH
8.7
CVSS Score
Published: November 14, 2025 at 10:50 PM UTC
Updated: June 17, 2026 at 04:19 AM UTC
1 product affected across 1 vendorTG8 Firewall

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Severity
HIGH8.7
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-538

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