Is CVE-2023-24955 actively exploited?

Yes. CVE-2023-24955 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-24955 be exploited remotely?

The attack vector of CVE-2023-24955 has not been classified yet.

What is the CVSS score of CVE-2023-24955?

CVE-2023-24955 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-24955

HIGHCISA KEVIN THE WILD

CVE-2023-24955

Published: March 26, 2024

EPSS:91.76%probability of exploitation in 30 daysPercentile:99.7th

Official Description

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

NVD Source

CISA KEV Advisory

Microsoft SharePoint Server Code Injection Vulnerability

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

Added to KEV: 2024-03-26Federal patch deadline: 2024-04-16⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

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

Risk Analysis

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely. The high EPSS score of 0.91760 indicates a very high likelihood of exploitation, making this a critical concern. It is confirmed as exploited by CISA.

Active exploitation of this vulnerability has been observed in the wild. This flaw requires prior authentication with Site Owner privileges.

Recommended Action

Apply all available security updates for Microsoft SharePoint Server. Regularly review and restrict Site Owner privileges to only necessary personnel.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-24955 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-24955 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.