SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 information such as authentication tokens and to possibly execute arbitrary…

MEDIUM 5.4EPSS 2.04%

Does this matter?

Lower severity and a low EPSS score (2.04%). Track it; it rarely justifies an emergency change on its own.

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 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
2.04% probability · 80th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
microsoft/teams
Source
cret@cert.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.