PT-2021-23548 · Ivanti · Ivanti Avalanche

CVE-2021-42124 · Published 2021-11-18 · Updated 2022-08-09

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Ivanti Avalanche versions prior to 6.3.3

Description An improper access control issue exists, allowing an attacker with access to the Inforail Service to perform a session takeover.

Recommendations For versions prior to 6.3.3, update to version 6.3.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the Inforail Service to minimize the risk of exploitation.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2021-42124

ZDI-21-1298

Affected Products

Ivanti Avalanche

References · 6

• https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1298 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-42124 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42124 · Vendor Advisory
• https://t.me/cibsecurity/33449 · Telegram Post
• https://t.me/cvenotify/24344 · Telegram Post