Medium severity · published Dec 9, 2020
CVE-2020-10146
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…
5.4
CVSS
2.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Teams · Microsoft
before 2020-10-29 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10146
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10146
Exploit
https://github.com/oskarsve/ms-teams-rce
More from Teams
8.8
CVE-2023-4863
Google Chromium WebP Heap-Based Buffer Overflow Vulnerability
10.0
CVE-2026-65667
Microsoft Teams Elevation of Privilege Vulnerability
9.8
CVE-2026-65768
Microsoft Teams Remote Code Execution Vulnerability
9.8
CVE-2024-42004
A library injection vulnerability exists in Microsoft Teams (work or school) 24046.2813.2770.1094 for macOS
9.8
CVE-2024-41145
A library injection vulnerability exists in the WebView.app helper app of Microsoft Teams (work or school) 24046.2813.2770.1094 for macOS