CVE-2020-10146

Microsoft Teams displayName stored cross-site scripting vulnerability

CVSS 5.7 MEDIUMEPSS 1.9%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.7EPSS 1.9%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Dec 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Affected products

Microsoft · Teams

References

https://github.com/oskarsve/ms-teams-rce