Arbitrary file upload in Microsoft Business Productivity Servers
CVE-2020-0931
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0920, CVE-2020-0929, CVE-2020-0932, CVE-2020-0971, CVE-2020-0974.
Vulnerability class: Unrestricted File Upload
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: 0.107 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.107 · newest: 0.107 · change: 0.000
Affected products
- Microsoft Business Productivity Servers — versions 2010
- Microsoft Business Productivity Servers — versions 2010 Service Pack 2
- Microsoft Sharepoint Enterprise Server — versions 2013 Service Pack 1, 2016
- Microsoft Sharepoint Foundation — versions 2013 Service Pack 1
- Microsoft Sharepoint Server — versions 2019
- Microsoft Sharepoint Enterprise Server — versions 2013, 2016
- Microsoft Sharepoint Foundation — versions 2013
- Microsoft Sharepoint Server — versions 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0931 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-0931?
- CVE-2020-0931 is a high-severity vulnerability in Microsoft Business Productivity Servers, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2020-04-15.
- How severe is CVE-2020-0931?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-0931 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.