CVE-2020-10146

Public Exploit
Microsoft Teams displayName stored cross-site scripting vulnerability

Description

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.

Remediation

Solution:

  • This vulnerability was fixed for all Teams users in the online service on or around October 2020.

Category

5.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Third-Party Advisory github.com
Affected: Microsoft Teams
Published at:
Updated at:

References

Link Tags
https://github.com/oskarsve/ms-teams-rce third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-10146?
CVE-2020-10146 has been scored as a medium severity vulnerability.
How to fix CVE-2020-10146?
To fix CVE-2020-10146: This vulnerability was fixed for all Teams users in the online service on or around October 2020.
Is CVE-2020-10146 being actively exploited in the wild?
It is possible that CVE-2020-10146 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10146?
CVE-2020-10146 affects Microsoft Teams.
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