CVE-2024-21318

HIGH
2024-01-09 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:34 vuln.today
Patch Released
Mar 28, 2026 - 19:34 nvd
Patch available
CVE Published
Jan 09, 2024 - 18:15 nvd
HIGH 8.8

Tags

Deserialization Microsoft RCE Sharepoint Server

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

Analysis

Microsoft SharePoint Server Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Technical Context

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. Microsoft SharePoint Server Remote Code Execution Vulnerability Affected products include: Microsoft Sharepoint Server.

Affected Products

Microsoft Sharepoint Server.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +2.9
CVSS: +44
POC: 0

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CVE-2024-21318 vulnerability details – vuln.today
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