CVE-2021-31830

What it is

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows an administrator to embed JavaScript code when configuring the name of a database to be monitored. This would be triggered when any authorized user logs into the DBSec interface and opens the properties configuration page for this database.

At a glance

Exploitability

Can be exploited from the same network segment with an admin-level account, but needs a user to act. High risk of data exposure, data tampering.

Exploit odds

0.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-06-03 11:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:52 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.5% in the next 30 days (EPSS).
• Severity: 5.9 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-06-03 11:15 UTC

Last modified

2026-06-17 03:52 UTC

Exploit probability

0.5% · EPSS, next 30 days

Weakness

CWE-79 · Cross-site scripting

Record status

Modified

Affected

• Mcafee Database Security < 4.8.2

Attack profile CVSS 3.1 · 5.9

Attack vector

Adjacent network

Complexity

Low

Privileges needed

High

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-31830.md and follow it. Check whether this project is affected by CVE-2021-31830. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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