SSRF in Microsoft Sharepoint Enterprise Server 2016
CVE-2021-31950
Microsoft SharePoint Server Spoofing Vulnerability
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.046 (90.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.
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_foundation — versions 2013
- Microsoft Sharepoint_server — versions 2016, 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-31950?
- CVE-2021-31950 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2021-06-08.
- How severe is CVE-2021-31950?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2021-31950 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.