CVE-2021-23884
CWE-319Published: April 15, 2021· Updated: Jun 17, 2026
Official Description
Cleartext Transmission of Sensitive Information vulnerability in the ePO Extension of McAfee Content Security Reporter (CSR) prior to 2.8.0 allows an ePO administrator to view the unencrypted password of the McAfee Web Gateway (MWG) or the password of the McAfee Web Gateway Cloud Server (MWGCS) read only user used to retrieve log files for analysis in CSR.
Technical Analysis
CVE-2021-23884 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.3.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-319)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-23884 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts