Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-43876 |
CWE-ID | CWE-264 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
Microsoft SharePoint Server Server applications / Application servers |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU86051
Risk: Medium
CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-43876
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists due to application does not properly impose security restrictions. A remote user with the rights to use the SharePoint Migration tool and the ability to create a new SharePoint site collection can escalate privileges within the application.
Install updates from vendor's website.
Vulnerable software versionsMicrosoft SharePoint Server: 2013 - 2019
CPE2.3https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43876
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.