Microsoft Teams displayName stored cross-site scripting vulnerability
Published Dec 9, 2020
5.7
MEDIUMCVSS 3.1
EPSS 2.32%
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.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<on or about October 2020
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
This vulnerability was fixed for all Teams users in the online service on or around October 2020.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.32% (0.02321) | 82.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.89% (0.01893) | 76.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.70% (0.00697) | 70.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.15% (0.01150) | 60.47th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.15% (0.01150) | 59.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.15% (0.01150) | 57.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01554) | 51.90th | v2 (v2022.01.01) |
| Feb 3, 2022 | 27.40% (0.27404) | 96.27th | v1 |
| Jan 6, 2022 | 27.40% (0.27404) | 96.22th | v1 |
| Sep 1, 2021 | 7.76% (0.07761) | 92.22th | v1 |
| Apr 14, 2021 | 7.76% (0.07761) | 0.00th | v1 |
References (1)
- https://github.com/oskarsve/ms-teams-rce x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/oskarsve/ms-teams-rce | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.