CVE-2021-36921

HIGH 8.8CVE-2021-36921 · Published 12/08/2021 · updated 17/06/2026

In short

CVE-2021-36921 is a HIGH (CVSS 8.8) vulnerability affecting application insight manager (monitorapp).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 72.0% of all vulnerabilities.
Fix: update to b115 or later.

Package	Affected versions	Patched versions
application insight manager monitorapp	`≥ b107, < b115`	`b115`

Description

AIMANAGER before B115 on MONITORAPP Application Insight Web Application Firewall (AIWAF) devices with Manager 2.1.0 has Improper Authentication. An attacker can gain administrative access by modifying the response to an authentication check request.

References

fireeye/Vulnerability-Disclosures · Third Party Advisory
monitorapp-aicc/report · Third Party Advisory
monitorapp.com/waf · Product

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