Executive Summary

Informations
Name CVE-2020-1025 First vendor Publication 2020-07-14
Vendor Cve Last vendor Modification 2024-01-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1025

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 1
Application 2

Sources (Detail)

Source Url
MISC https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1025

Alert History

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Date Informations
2024-01-10 00:27:45
  • Multiple Updates
2021-08-05 01:36:16
  • Multiple Updates
2021-07-21 17:23:38
  • Multiple Updates
2021-05-04 13:44:47
  • Multiple Updates
2021-04-22 02:56:35
  • Multiple Updates
2020-07-18 00:22:47
  • Multiple Updates
2020-07-15 17:22:47
  • Multiple Updates
2020-07-15 05:22:43
  • First insertion