Microsoft Lync Server 2013 vulnerabilities

CVE-2021-24073 [HIGH] CVE-2021-24073: Skype for Business and Lync Spoofing Vulnerability Skype for Business and Lync Spoofing Vulnerability

CVE-2021-24099 [MEDIUM] CVE-2021-24099: Skype for Business and Lync Denial of Service Vulnerability Skype for Business and Lync Denial of Service Vulnerability

CVE-2020-1025 [CRITICAL] CWE-20 CVE-2020-1025: An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Busine 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

CVE-2019-1029 [MEDIUM] CVE-2019-1029: A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploit A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights. To exploit the vulnerability, an attacker needs to obtain a dial-in lin

CVE-2019-0798 [MEDIUM] CWE-79 CVE-2019-0798: A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sa A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.