Is CVE-2021-23890 actively exploited?

No active exploitation of CVE-2021-23890 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-23890 be exploited remotely?

Yes. CVE-2021-23890 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-23890?

CVE-2021-23890 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2021-23890

CWE-200Published: March 26, 2021· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

Information leak vulnerability in the Agent Handler of McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 10 allows an unauthenticated user to download McAfee product packages (specifically McAfee Agent) available in ePO repository and install them on their own machines to have it managed and then in turn get policy details from the ePO server. This can only happen when the ePO Agent Handler is installed in a Demilitarized Zone (DMZ) to service machines not connected to the network through a VPN.

NVD Source

Technical Analysis

CVE-2021-23890 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.