CVE-2019-17421

Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.

• CWE-276

• https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.htmlThird Party Advisory
• https://twitter.com/va_startExploit, Third Party Advisory
• https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.htmlPatch, Vendor Advisory
• https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.htmlThird Party Advisory
• https://twitter.com/va_startExploit, Third Party Advisory
• https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.htmlPatch, Vendor Advisory

Published

Nov 21, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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