Advisory Details

March 9th, 2023

Ivanti Avalanche Remote Control Server RCServlet Authentication Bypass Vulnerability

ZDI-23-228
ZDI-CAN-19513

CVE ID CVE-2022-44574
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Ivanti
AFFECTED PRODUCTS Avalanche
VULNERABILITY DETAILS

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Remote Control Server RCServlet servlet. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system.

ADDITIONAL DETAILS Ivanti has issued an update to correct this vulnerability. More details can be found at:
https://forums.ivanti.com/s/article/Avalanche-ZDI-CAN-19513-Security-Advisory?language=en_US
DISCLOSURE TIMELINE
  • 2022-12-23 - Vulnerability reported to vendor
  • 2023-03-09 - Coordinated public release of advisory
CREDIT rgod
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