microsoft teams CVE-2020-10146 is a vulnerability in Microsoft Teams
Published on December 9, 2020

Microsoft Teams displayName stored cross-site scripting vulnerability
The Microsoft Teams online service contains a stored cross-site scripting vulnerability in the displayName parameter that can be exploited on Teams clients to obtain sensitive information such as authentication tokens and to possibly execute arbitrary commands. This vulnerability was fixed for all Teams users in the online service on or around October 2020.

NVD

Vulnerability Analysis

CVE-2020-10146 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2020-10146 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2020-10146

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Affected Versions

Microsoft Teams:

Exploit Probability

EPSS
0.52%
Percentile
66.53%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.