CVE-2020-10146

low-risk
Published 2020-12-09

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.

Do I need to act?

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0.52% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.7/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Microsoft

References (2)

Exploit https://github.com/oskarsve/ms-teams-rce
Exploit https://github.com/oskarsve/ms-teams-rce
29
/ 100
low-risk
Severity 22/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal