CVE-2021-23894 is a critical deserialization of untrusted data vulnerability affecting McAfee Database Security (DBSec) versions prior to 4.8.2. This flaw allows a remote, unauthenticated attacker to achieve a reverse shell with administrator privileges on the DBSec server by sending a crafted Java serialized object. With a CVSS score of 8.8 (High), the vulnerability presents a significant risk due to its low attack complexity and complete compromise potential for confidentiality, integrity, and availability. While no public exploit code, active exploitation, or significant community discussion has been observed, the high severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.8.2CPE matchmatch criteria | cpe:2.3:a:mcafee:database_security:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.