#VU29764 Input validation error in Microsoft SharePoint Server - CVE-2020-1444
Published: July 14, 2020 / Updated: November 14, 2020
Vulnerability identifier: #VU29764
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2020-1444
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Microsoft SharePoint Server
Microsoft SharePoint Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when the Microsoft SharePoint software improperly parses specially crafted email messages. A remote attacker can send a specially crafted email, then convince the recipient to perform multiple actions while replying to the message and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.