CVE-2021-42130

HIGH

Ivanti Avalanche < 6.3.3 - Insecure Deserialization

Title source: rule

Description

A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code execution.

Scores

CVSS v3 8.8
EPSS 0.7666
EPSS Percentile 98.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-502
Status published

Affected Products (1)

ivanti/avalanche < 6.3.3

Timeline

Published Dec 07, 2021
Tracked Since Feb 18, 2026