Rewterz Threat Advisory – CVE-2021-33191 – Apache NiFi MiNiFi C++ Vulnerability

Severity

High

Analysis Summary

CVE-2021-33191

Apache NiFi MiNiFi C++ could allow a remote attacker to execute arbitrary commands on the system, caused by improper input validation by the agent-update command. By sending a specially-crafted c2-update command with a modified value, an attacker could exploit this vulnerability to execute arbitrary commands on the system with the privileges of the application binary.

Impact

Unauthorized Access

Affected Vendors

Apache

Affected Products

Apache NiFi MiNiFi C++ 0.5.0

Remediation

Upgrade to the latest version of Apache, available from the Apache Web site.

https://nifi.apache.org/minifi/download.html

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