CVE-2021-42125

HIGH

Ivanti Avalanche < 6.3.3 - Insecure Deserialization

Title source: rule

Description

An unrestricted file upload vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to write dangerous files.

Scores

CVSS v3 8.8
EPSS 0.6502
EPSS Percentile 98.4%
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 CWE-434
Status published

Affected Products (1)

ivanti/avalanche < 6.3.3

Timeline

Published Dec 07, 2021
Tracked Since Feb 18, 2026