Is CVE-2021-31940 in the CISA KEV catalog?

No. CVE-2021-31940 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31940?

CVE-2021-31940 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-31940?

CVE-2021-31940 has an EPSS score of 2.25% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-31940?

Install KB5001953 for Microsoft Office 2013 RT Service Pack 1. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-31940

HIGHEPSS 81th pctl

7.8

CVSS v3

NVD

Description

Microsoft Office Graphics Remote Code Execution Vulnerability

How to fix

Remediation Available

Microsoft Office 2013 RT Service Pack 1Microsoft

Install:KB5001953

Microsoft Office 2013 Service Pack 1Microsoft

Install:KB5001953Microsoft

Microsoft Office 2016Microsoft

Install:KB5001950Microsoft

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.25%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

portal.msrc.microsoft.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.