Microsoft Skype For Business Server 2019 CU2 vulnerabilities

3 vulnerabilities

Known vulnerabilities in Microsoft Skype For Business Server 2019 CU2, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

6.5CVE-2021-24099microsoftlync_server+4
EPSS score
3.20%
Skype for Business and Lync Denial of Service Vulnerability9.8CVE-2020-1025microsoftlync+10
EPSS score
5.85%
An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access. To exploit this vulnerability, an attacker would need to modify the token. The update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.5.4CVE-2019-1490microsoftskype_for_business+1
EPSS score
1.54%
A spoofing vulnerability exists when a Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business Server Spoofing Vulnerability'.