#VU53102 Code Injection in Skype for Business Server and Microsoft Lync - CVE-2021-26422

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Main Vulnerability Database Vulnerabilities #VU53102

#VU53102 Code Injection in Skype for Business Server and Microsoft Lync - CVE-2021-26422

Published: May 11, 2021


Vulnerability identifier: #VU53102
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-26422
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Skype for Business Server
Microsoft Lync
Software vendor:
Microsoft

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Skype for Business and Lync. A remote administrator can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links