Is CVE-2021-31842 in the CISA KEV catalog?

No. CVE-2021-31842 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31842?

CVE-2021-31842 has a CVSS v3 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2021-31842?

CVE-2021-31842 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-31842?

Upgrade endpoint security to 10.7.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-31842

MEDIUM

5.0

CVSS v3

NVD

Description

XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.

CWE-776

How to fix

Remediation Available

endpoint securityNVD

Affected:< 10.7.0Fixed in:10.7.0CVE-2021-31842derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Other references1

kc.mcafee.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.