CVE-2022-36974

Name: CVE-2022-36974
Creator: NVD / NIST
Published: 2023-03-29T19:15:12.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 85.14%

Last modified Jun 17, 2026

CVE-2022-36974 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 85.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

85.14%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Ivanti	Avalanche	>= 6.3.2.3490, < 6.3.4

References

https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txtRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-22-779/Third Party Advisory, VDB Entry
https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txtRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-22-779/Third Party Advisory, VDB Entry

Timeline

Published: Mar 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-36974?

How severe is CVE-2022-36974?

CVE-2022-36974 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 85.14% probability of exploitation in the next 30 days.

How do I fix CVE-2022-36974?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36974?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST