What is CVE-2021-42129?

CVE-2021-42129 is a high-severity vulnerability in Ivanti Avalanche, classified under Command Injection. CVSS score: 8.8/10. Published 2021-12-07.

How severe is CVE-2021-42129?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Ivanti Avalanche

CVE-2021-42129

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.773 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ivanti Avalanche
N/a Ivanti Avalanche — versions 6.3.3

Weakness classification (CWE)

CWE-77 — Command Injection

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42129?: CVE-2021-42129 is a high-severity vulnerability in Ivanti Avalanche, classified under Command Injection. CVSS score: 8.8/10. Published 2021-12-07.
How severe is CVE-2021-42129?: High severity. CVSS v3 base score is 8.8 out of 10.