CVE-2022-36974
CriticalThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.2.3490.
Published Mar 29, 2023 · Updated Feb 18, 2025
Key Facts
Patch immediately- CVE-2022-36974 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Avalanche (Ivanti).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 84% probability of exploitation in the next 30 days.
- Fixed versions are available, including Avalanche 6.3.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
84%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AvalancheIvanti | >= 6.3.2.3490 | 6.3.4 |
Patched Releases
Avalanche
6.3.4
Timeline
Publicly disclosed
Mar 29, 2023
Last updated
Feb 18, 2025
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
FAQ
Common Questions.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.2.3490.
Affected: Avalanche (Ivanti) versions >= 6.3.2.3490. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Avalanche 6.3.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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