Is CVE-2021-42294 in the CISA KEV catalog?

No. CVE-2021-42294 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42294?

CVE-2021-42294 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-42294?

CVE-2021-42294 has an EPSS score of 2.18% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42294?

Install KB5002008 for Microsoft SharePoint Enterprise Server 2013 Service Pack 1. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2021-42294

HIGHEPSS 80th pctl

7.2

CVSS v3

NVD

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

How to fix

Remediation Available

Microsoft SharePoint Enterprise Server 2013 Service Pack 1Microsoft

Install:KB5002008Microsoft

Microsoft SharePoint Enterprise Server 2016Microsoft

Install:KB5002059Microsoft

Install:KB5002055Microsoft

Microsoft SharePoint Foundation 2013 Service Pack 1Microsoft

Install:KB5002071Microsoft

Install:KB5002015Microsoft

Microsoft SharePoint Server 2019Microsoft

Install:KB5002054Microsoft

Install:KB5002061Microsoft

Microsoft SharePoint Server Subscription EditionMicrosoft

Install:KB5002045Microsoft

SharePoint Server Subscription Edition Language PackMicrosoft

Install:KB5002047Microsoft

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.18%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% 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.