CVEs / CVE-2023-24955
CVE-2023-24955: Microsoft SharePoint Server Code Injection Vulnerability
- Known exploited in the CISA KEV catalog since 26 Mar 2024
- high 7.2 CVSS 3.1 (from the CNA)
- EPSS 84.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Microsoft SharePoint Enterprise Server 2016 | from 16.0.0, before 16.0.5395.1000 | 16.0.5395.1000 |
| Microsoft Microsoft SharePoint Server 2019 | from 16.0.0, before 16.0.10398.20000 | 16.0.10398.20000 |
| Microsoft Microsoft SharePoint Server Subscription Edition | from 16.0.0, before 16.0.16130.20420 | 16.0.16130.20420 |
Exploitation
| In CISA KEV since | 26 Mar 2024 |
|---|---|
| Due date for US federal agencies | 16 Apr 2024 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7.2 highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-94 |
References
- CVE-2023-24955 on NVD
- CVE-2023-24955 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24955 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.