Auth bypass in Microsoft Sharepoint Enterprise Server 2016
CVE-2023-21743
Microsoft SharePoint Server Security Feature Bypass Vulnerability
Vulnerability class: Broken Authentication
EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
- Microsoft Sharepoint_server — versions 2016, 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21743?
- CVE-2023-21743 is a medium-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2023-01-10.
- How severe is CVE-2023-21743?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-21743 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.