Path Traversal in Ivanti Avalanche

CVE-2022-36981

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.3.101. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DeviceLogResource class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15966.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.834 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-36981?
CVE-2022-36981 is a critical-severity vulnerability in Ivanti Avalanche, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-03-29.
How severe is CVE-2022-36981?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-36981 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.