Is CVE-2021-31848 actively exploited?

No active exploitation of CVE-2021-31848 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-31848 be exploited remotely?

Yes. CVE-2021-31848 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-31848?

CVE-2021-31848 has a CVSS score of 6.1 (MEDIUM).

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MEDIUM

CVE-2021-31848

CWE-79Published: November 1, 2021· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

Cross site scripting (XSS) vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to 11.7.100 allows a remote attacker to highjack an active DLP ePO administrator session by convincing the logged in administrator to click on a carefully crafted link in the case management part of the DLP ePO extension.

NVD Source

Technical Analysis

CVE-2021-31848 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.