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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.834 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.834 · newest: 0.834 · change: 0.000
Affected products
- Ivanti Avalanche — versions 6.3.3.101
Weakness classification (CWE)
Public proof-of-concept exploits
References
- download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt (Release Notes)
- www.zerodayinitiative.com/advisories/ZDI-22-786/ (VDB Entry, Third Party Advisory)
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.