CVE-2021-42127

—

CVSS 3.1

9.8 critical

EPSS

66%p99

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

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.

Vendors: ivanti
Products: avalanche
Weakness: CWE-502
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (65.8%)

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