CVEvulnerability
CVE-2021-34520
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-07-14
- Last modified
- 2026-08-10
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-502
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Affected configurations
• microsoft sharepoint foundation 2013
• microsoft sharepoint server 2016
• microsoft sharepoint server 2019
Related
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34520 msrc.microsoft.com
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34520 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-828/ Third Party Advisory, VDB Entry