CISA KEV · Known exploitedHigh

CVE-2021-23874

McAfee McAfee Total Protection (MTP)

Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and execute arbitrary code bypassing MTP self-defense.

CVSS
7.8
EPSS
1.03%
60.3% percentile
CISA KEV
Listed
Published
2021.02.10
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability1.03%
Technical severityCVSS 7.8

Vulnerability overview

Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and execute arbitrary code bypassing MTP self-defense.

Affected product and versions

Product
McAfee McAfee Total Protection (MTP)
Affected versions
unspecified, < 16.0.30
Fixed versions
16.0.30

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2021.11.17
  1. 1
    Identify

    Confirm that McAfee McAfee Total Protection (MTP) and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-269, CWE-284, CWE-732
KEV added
2021.11.03
Ransomware use
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