CVE-2022-36974

Critical

Description

This vulnerability allows remote attackers to execute arbitrary code 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 Web File Server service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15330.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Ivanti Avalanche

PublishedMar 29, 2023

First seenMar 29, 2023

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

ivanti avalanche6.3.4 or later

Affected products

Product	Affected versions	Fixed in
ivanti avalanche	6.3.2.3490 ≤ v < 6.3.4	6.3.4

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