What’s Vulnerable › Vulnerabilities

CVE-2021-31850: Denial of Service in Database Security on Windows

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-08 · updated 2026-06-17
• Weakness: CWE-552

Description

A denial-of-service vulnerability in Database Security (DBS) prior to 4.8.4 allows a remote authenticated administrator to trigger a denial-of-service attack against the DBS server. The configuration of Archiving through the User interface incorrectly allowed the creation of directories and files in Windows system directories and other locations where sensitive data could be overwritten. The former could lead to a DoS, whilst the latter could lead to data destruction on the DBS server.

Affected products

• McAfee,LLC McAfee Database Security (DBSec): before 4.8.4 — fixed in 4.8.4

How to fix

Upgrade to a fixed version: McAfee,LLC McAfee Database Security (DBSec) 4.8.4. Check the vendor advisory for mitigations.

References

• https://kc.mcafee.com/corporate/index?page=content&id=SB10358
• https://www.zerodayinitiative.com/advisories/ZDI-21-1535/
• https://kc.mcafee.com/corporate/index?page=content&id=SB10358
• https://www.zerodayinitiative.com/advisories/ZDI-21-1535/

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