CVE-2021-42127

CRITICAL

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 using Inforail Service allows arbitrary code execution via Data Repository Service.

Scores

CVSS v3 9.8
EPSS 0.5397
EPSS Percentile 98.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/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