SB2021120304 - Remote code execution in Zoho ManageEngine ServiceDesk Plus



SB2021120304 - Remote code execution in Zoho ManageEngine ServiceDesk Plus

Published: December 3, 2021 Updated: September 29, 2022

Security Bulletin ID SB2021120304
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Authentication (CVE-ID: CVE-2021-44077)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to compromise the affected system..

The vulnerability exists due to missing authentication, related to /RestAPI URLs in a servlet, and ImportTechnicians in the Struts configuration. A remote non-authenticated attacker can send a specially crafted request to the API endpoint, bypass authentication process and execute arbitrary code on the system.


Remediation

Install update from vendor's website.