CVE-2021-42555 Denial of service in n/a

High 7.5 Published 15 Jan 2022 Updated 4 Aug 2024

Attackers can cause a temporary remote denial of service in Pexip Infinity due to missing input validation during call setup.

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-2021-42555?

CVE-2021-42555 is a high-severity denial of service vulnerability in n/a, published on 15 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Pexip Infinity before 26.2 allows temporary remote Denial of Service (abort) because of missing call-setup input validation.

Weakness: CWE-20

Which versions are affected by CVE-2021-42555?

It affects 1 product.

Products include Pexip Infinity.

How do I fix CVE-2021-42555?

No fix has been published for CVE-2021-42555 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-2021-42555 being exploited?

There is no known exploitation of CVE-2021-42555 in the wild and no public exploit code.

Sources

Also known as GHSA-98f4-g2vg-7jww.