Actively exploited · Published May 9, 2023 · Assigned by microsoft
CVE-2023-24955Microsoft SharePoint Server Remote Code Execution Vulnerability
High 7.2 Exploited Ransomware
In plain English
A high-severity code injection in Microsoft SharePoint Enterprise Server 2016 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on March 26, 2024). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 85.0% (higher than 99.7% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Apr 16, 2024.
Official description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 – before 16.0.5395.1000 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 – before 16.0.10398.20000 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 – before 16.0.16130.20420 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C