SSRF in Microsoft Sharepoint Enterprise Server 2016
CVE-2021-31950
Microsoft SharePoint Server Spoofing Vulnerability
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.046 (91.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
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
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31950 (Patch, Vendor Advisory)
- packetstormsecurity.com/files/163080/Microsoft-SharePoint-Server-16.0.10372.200… (Exploit, Third Party Advisory)
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.