Spoofing attack in Skype for Business Server and Microsoft Lync - CVE-2021-24073
Published: February 9, 2021
Vulnerability identifier: #VU50486
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-24073
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Skype for Business Server
Microsoft Lync
Skype for Business Server
Microsoft Lync
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Skype for Business and Lync. A remote authenticated attacker can spoof page content.
How to mitigate CVE-2021-24073
Install updates from vendor's website.