Advisory Details

November 18th, 2021

Ivanti Avalanche User Management Improper Authentication Privilege Escalation Vulnerability

ZDI-21-1300
ZDI-CAN-14188

CVE ID CVE-2021-42126
CVSS SCORE 8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Ivanti
AFFECTED PRODUCTS Avalanche
VULNERABILITY DETAILS

This vulnerability allows remote attackers to escalate privileges on affected installations of Ivanti Avalanche. Authentication is required to exploit this vulnerability.

The specific flaw exists within the userManagement.jsf page. The issue results from improper authentication. An attacker can leverage this vulnerability to escalate privileges to the level of admin.
ADDITIONAL DETAILS

Fixed in version 6.3.3.
DISCLOSURE TIMELINE
  • 2021-06-30 - Vulnerability reported to vendor
  • 2021-11-18 - Coordinated public release of advisory
  • 2022-05-26 - Advisory Updated
CREDIT Piotr Bazydlo (@chudypb)
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