Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-1025

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.

  • Published: Jul 15, 2020
  • Updated: May 29, 2024
  • CVE: CVE-2020-1025
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
microsoft / sharepoint_foundation 2013-sp1 2013-sp1.x
microsoft / sharepoint_enterprise_server 2016 2016.x
microsoft / sharepoint_server 2019 2019.x
microsoft / lync 2013 2013.x
microsoft / skype_for_business 2019-cumulative_update_2 2019-cumulative_update_2.x
microsoft / skype_for_business 2015-cumulative_update_8 2015-cumulative_update_8.x