Risk Scores
CVSS v3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
40.65%
97.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 |
| microsoft | sharepoint_server | 2019 |
| microsoft | sharepoint_foundation | 2013 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 |
| Microsoft | Microsoft SharePoint Foundation 2013 Service Pack 1 | 15.0.0 |
| microsoft | sharepoint_enterprise_server | 2016 |
Timeline
- May 11, 2021 CVE Published
- May 12, 2021 EPSS Score
- May 18, 2021 EPSS Score
- Jun 16, 2021 PoC Published
- Jun 17, 2021 PoC Published
- Jun 19, 2021 EPSS Score
- Jun 24, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 13, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- May 25, 2023 EPSS Score
- Aug 15, 2023 EPSS Score
References
- https://portal.msrc.microsoft.com/fr-FR/security-guidance advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31181 url
- https://www.zerodayinitiative.com/advisories/ZDI-21-573/ url
- http://packetstormsecurity.com/files/163208/Microsoft-SharePoint-Unsafe-Control-And-ViewState-Remote-Code-Execution.html url
- https://packetstorm.news/files/id/163208 exploit
- https://nvd.nist.gov/vuln/detail/CVE-2021-31181 advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-573 url