Lyrie
Active Exploitation
ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·11/3/2021

CVE-2021-40539 added to CISA KEV: Zoho ManageEngine

Status: ✅ Confirmed exploited in the wild

Date added: 2021-11-03

Required action: Apply updates per vendor instructions.

Due date: 2021-11-17

Why this matters

Zoho ManageEngine ADSelfService Plus contains an authentication bypass vulnerability affecting the REST API URLs which allow for remote code execution.

Sources

Lyrie Verdict

Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.