CVE-2021-23890
McAfee ePO Information Leak vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
McAfee ePO Information Leak vulnerability
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.
- Record
CVE-2021-23890- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2021-10816
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.
- Record
EUVD-2021-10816- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6gh5-794v-v6mc
Information leak vulnerability in the Agent Handler of McAfee ePolicy Orchestrator (ePO) prior to...
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.
- Record
GHSA-6gh5-794v-v6mc- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-23890- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23890 is a medium vulnerability (CVSS 6.5) in Mcafee Epolicy Orchestrator, published March 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.