Security Feature Bypass in Microsoft Word



Published: 2020-10-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16933
CWE-ID CWE-254
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Microsoft Office
Client/Desktop applications / Office applications

Microsoft Word
Client/Desktop applications / Office applications

Microsoft Office for Mac
Client/Desktop applications / Office applications

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Security Features

EUVDB-ID: #VU47611

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-16933

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

This vulnerability allows a remote attacker to bypass security rescritions feature.

The vulnerability exists due to the Microsoft Word software when it fails to properly handle .LNK files. A remote attacker can trick a victim to open a specially crafted file or visit a malicious webpage and perform actions in the security context of the current user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2019 - 2019 for Mac

Microsoft Word: 2010 - 2016

Microsoft Office for Mac: 2016


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16933

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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