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Case File

CVE-2021-42127

CRITICAL · CVSS 9.8 EPSS 65.83% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-07 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Ivanti. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 65.8% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-42127
Severity
CRITICAL
CVSS
9.8
EPSS
65.83%
Ivanti

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)