CVE-2022-36980 Race condition in Avalanche

Critical 9.4 Published 29 Mar 2023 Updated 18 Feb 2025

Remote attackers can bypass authentication in Ivanti Avalanche due to a race condition in the EnterpriseServer service.

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-2022-36980?

CVE-2022-36980 is a critical vulnerability in Ivanti Avalanche, published on 29 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.

Weakness: CWE-367

Which versions are affected by CVE-2022-36980?

It affects 1 product.

Products include Ivanti Avalanche.

How do I fix CVE-2022-36980?

No fix has been published for CVE-2022-36980 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-36980 being exploited?

There is no known exploitation of CVE-2022-36980 in the wild and no public exploit code.

All Ivanti Avalanche vulnerabilities

Sources

Also known as GHSA-29cx-mrrh-g7pc.