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8.8

A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.

CVE-2021-42129 · published 4 years ago
Summary

A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.

What to do
  • Update ivanti avalanche to version 6.3.3 or later.
Affected software
VendorProductAffected versions
ivanti avalanche < 6.3.3
cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*
Original advisory text
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
77% chance of attack within 30 days
Type
CWE-77Command Injection
Timeline
Published7 Dec 2021
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2021-42129 · NVD
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