CVE-2021-4471 TG8 Firewall Unauthenticated User Password Disclosure
Remote attackers can access unauthenticated directories on TG8 Firewalls to download stored user credentials, leading to data exposure and potential account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-4471?
CVE-2021-4471 is a high-severity vulnerability in TG8 Firewall, published on 14 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-538
Which versions are affected by CVE-2021-4471?
How do I fix CVE-2021-4471?
No fix has been published for CVE-2021-4471 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4471 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-4471 exists.
Sources
Also known as GHSA-c65r-5x48-pvc5.