CVE-2023-24955 Ransomware

CISA description

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

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes & references

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955
• https://nvd.nist.gov/vuln/detail/CVE-2023-24955

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2023-24955
• CVE.org · CVE-2023-24955
• CISA KEV catalog (canonical)