CVE-2021-28474

high-risk
Published 2021-05-11

Microsoft SharePoint Server Remote Code Execution Vulnerability

Do I need to act?

!
18.0% chance of exploitation in next 30 days
EPSS score — higher than 82% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Microsoft

References (4)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2847...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-574/
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2847...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-574/
52
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 13/34 · Low
Exposure 9/34 · Low