Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?
An authenticated attacker with Site Owner permission can use the vulnerability to inject arbitrary code and execute this code in the context of SharePoint Server.
How could an attacker exploit the vulnerability?
In a network-based attack, an authenticated attacker, as at least a Site Owner, could write arbitrary code to inject and execute code remotely on the SharePoint Server.
Security updates
16.0.5430.1000 — https://support.microsoft.com/help/5002541
16.0.10406.20000 — https://support.microsoft.com/help/5002539
16.0.10406.20000 — https://support.microsoft.com/help/5002540
Vulnerabilities 1
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High 8.8CVE-2024-21318 EPSS 31%
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Revision history
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#1
Information published.
References
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CVE-2024-21318 Microsoft SharePoint Server Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21318
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss