CVE-2022-36974

high-risk
Published 2023-03-29

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.

Do I need to act?

!
47.5% chance of exploitation in next 30 days
EPSS score — higher than 53% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ivanti

References (4)

Release Notes https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-779/
Release Notes https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-779/
54
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 17/34 · Moderate
Exposure 5/34 · Minimal