CVE-2022-36971CWE-502

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.2.3490

Critical · published March 29, 2023

CVSS v3.0
9.8
EPSS
15%
Percentile
96.7
In the wild
Unconfirmed
What it is

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 JwtTokenUtility class. 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-15301.

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.14984 · 96.7th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2023-03-29T00:00Z
EPSS history
Timeline
  • 29 MAR 00:00Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.2.3490
    cvelistv5