Auth bypass in Ivanti Avalanche
CVE-2022-36983
This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetSettings class. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15919.
Vulnerability class: Broken Authentication
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: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Ivanti Avalanche — versions 6.3.3.101
Weakness classification (CWE)
References
- download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt (Release Notes)
- www.zerodayinitiative.com/advisories/ZDI-22-788/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-36983?
- CVE-2022-36983 is a critical-severity vulnerability in Ivanti Avalanche, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-03-29.
- How severe is CVE-2022-36983?
- Critical severity. CVSS v3 base score is 9.8 out of 10.