VulnerabilityAnalyzed
CVE-2023-24955
Microsoft SharePoint Server Code Injection Vulnerability
KEVHIGH 7.2EPSS 85.4%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 16 April 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 85.39% probability · 100th percentile
- CISA KEV
- Listed 26 March 2024 · due 16 April 2024 · used in ransomware campaigns
- Weakness
- CWE-94
- Affected
- microsoft/sharepoint enterprise server · microsoft/sharepoint server
- Source
- secure@microsoft.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955; https://nvd.nist.gov/vuln/detail/CVE-2023-24955
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24955US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.