Vulnerability · Published Feb 14, 2023 · Assigned by microsoft

CVE-2023-21717Microsoft SharePoint Server Elevation of Privilege Vulnerability

High 8.8

In plain English

A high-severity improper access control in Microsoft SharePoint Enterprise Server 2013 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.1%top 34.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.0 – before 15.0.5529.1000
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before 16.0.5383.1000
Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.0 – before 15.0.5529.1000
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before 16.0.10395.20001
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 – before 16.0.15601.20478

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References