CVE-2021-31645 Denial of service in n/a

High 7.5 Published 7 Jul 2022 Updated 3 Aug 2024

Remote attackers can cause a denial of service in glFTPd by exceeding the connection limit.

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-2021-31645?

CVE-2021-31645 is a high-severity denial of service vulnerability in n/a, published on 7 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in glFTPd 2.11a that allows remote attackers to cause a denial of service via exceeding the connection limit.

Weakness: CWE-770

Which versions are affected by CVE-2021-31645?

It affects 1 product.

Products include Glftpd Glftpd.

How do I fix CVE-2021-31645?

No fix has been published for CVE-2021-31645 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-31645 being exploited?

There is no known exploitation of CVE-2021-31645 in the wild and no public exploit code.

Sources

Also known as GHSA-983g-85mv-cf26.