peter bassill · operator
$ cve CVE-2022-36974 JSON

CVE-2022-36974

9.8
CRITICAL · CVSS 3.1 · EPSS 84.5% (pctl 100)

Patch early

EPSS 84.5% — above the 10% action threshold.

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.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS84.45% — more likely to be exploited than 100% of all CVEs
WeaknessCWE-502
On CISA KEVno
Public exploitnone known
Published2023-03-29
Last modified2026-06-17

Affected (1)

VendorProduct
ivantiavalanche

References

→ the Explorer  ·  watch your stack  ·  NVD