Vulnerability in Microsoft Sharepoint Enterprise Server 2016
CVE-2021-42309
Microsoft SharePoint Server Remote Code Execution Vulnerability
EPSS: 0.007 (73.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
- Microsoft Sharepoint Foundation 2013 Service Pack 1 — versions 15.0.0
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42309 (x_refsource_MISC)
- www.zerodayinitiative.com/advisories/ZDI-22-074/ (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-42309?
- CVE-2021-42309 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016. CVSS score: 8.8/10. Published 2021-12-15.
- How severe is CVE-2021-42309?
- High severity. CVSS v3 base score is 8.8 out of 10.