VULNERABILITY INTELLIGENCE
CVE-2021-42127
CVSS score9.8 CRITICAL
EPSS probability65.83%
CISA KEVNot currently listed
Published2021-12-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- support@hackerone.com: CWE-502
- nvd@nist.gov: CWE-502
Primary references
- support@hackerone.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory