Vulnerability in Microsoft Business Productivity Servers
CVE-2021-27076
Microsoft SharePoint Server Remote Code Execution Vulnerability
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.152 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.144 · newest: 0.152 · change: +0.007
Affected products
- Microsoft Business Productivity Servers — versions 2010
- Microsoft Business Productivity Servers 2010 Service Pack 2 — versions 13.0.0.0
- 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 Foundation — versions 2013
- Microsoft Sharepoint Server — versions 2016, 2019
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27076 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-27076?
- CVE-2021-27076 is a high-severity vulnerability in Microsoft Business Productivity Servers. CVSS score: 8.8/10. Published 2021-03-11.
- How severe is CVE-2021-27076?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-27076 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.