FKIE_CVE-2020-1025

Vulnerability from fkie_nvd - Published: 2020-07-14 23:15 - Updated: 2024-11-21 05:09
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1025Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1025Patch, Vendor Advisory
Impacted products
Vendor Product Version
microsoft lync 2013
microsoft sharepoint_enterprise_server 2016
microsoft sharepoint_foundation 2013
microsoft sharepoint_server 2019
microsoft skype_for_business 2015
microsoft skype_for_business 2019
To clipboard 

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  "lastModified": "2024-11-21T05:09:35.097",
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.