All vulnerabilities
CVE-2023-24955

Microsoft SharePoint Server Code Injection Vulnerability

Microsoft SharePoint ServerApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.2High
ExploitationExploited in the wildAdded to KEV 26 Mar 2024. Known ransomware useCISA KEV
Exploit odds (EPSS)85.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in16.0.5395.1000Also 16.0.10398.20000, 16.0.16130.20420CVE List
Federal deadline16 Apr 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

  • 16.0.5395.1000Microsoft SharePoint Enterprise Server 2016CVE List
  • 16.0.10398.20000Microsoft SharePoint Server 2019CVE List
  • 16.0.16130.20420Microsoft SharePoint Server Subscription EditionCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 1 May 2023Exploit code publicMetasploit
  2. 9 May 2023, 17:03 UTCPublishedCVE List
  3. 26 Mar 2024Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Exploit moduleSharepoint Dynamic Proxy Generator Unauth RCE 1 May 2023Metasploit

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

Text from CVE List

Affected versions 3

  • Microsoft SharePoint Enterprise Server 2016affected: 16.0.0 before 16.0.5395.1000CVE List
  • Microsoft SharePoint Server 2019affected: 16.0.0 before 16.0.10398.20000CVE List
  • Microsoft SharePoint Server Subscription Editionaffected: 16.0.0 before 16.0.16130.20420CVE List

References 3