ACTIVELY EXPLOITED

CVE-2021-44515: Zoho Desktop Central Authentication Bypass Vulnerability

Facts
VendorZoho
ProductDesktop Central
Actively exploitedYes
Added to CISA KEV10 Dec 2021
CISA federal deadline24 Dec 2021

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Zoho Desktop Central contains an authentication bypass vulnerability that could allow an attacker to execute arbitrary code in the Desktop Central MSP server.

SOURCES

Other Zoho flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.