Ivanti Avalanche
At a glance
- Source
- NVD
- EPSS
- EPSS 82.42 % · percentile 100 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- zdi
- NVD status
- Modified
Description
This vulnerability allows remote attackers to bypass authentication 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 EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.
Weaknesses (CWE)
- CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | CRITICAL 9.4 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H | zdi |
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | CRITICAL 9.4 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H | NVD · zdi-disclosures@trendmicro.com (Secondary) |
European references
- ENISA EUVD · EUVD-2022-39637
- GCVE · GCVE-0-2022-36980
Affected configurations (NVD CPE)
cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*≥ 6.3.2.3490 < 6.3.4
Affected products
| Product | Versions |
|---|---|
| Ivanti · Avalanche | affected 6.3.2.3490 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |