What is CVE-2021-42124?

CVE-2021-42124 is a high-severity vulnerability in Ivanti Avalanche, classified under Improper Access Control. CVSS score: 8.8/10. Published 2021-12-07.

How severe is CVE-2021-42124?

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

Vulnerability in Ivanti Avalanche

CVE-2021-42124

An improper access control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform a session takeover.

EPSS: 0.026 (83.8th 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-284 — Improper Access Control

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42124?: CVE-2021-42124 is a high-severity vulnerability in Ivanti Avalanche, classified under Improper Access Control. CVSS score: 8.8/10. Published 2021-12-07.
How severe is CVE-2021-42124?: High severity. CVSS v3 base score is 8.8 out of 10.