CVE-2021-24104
Microsoft SharePoint Server Spoofing Vulnerability
4.6 Medium
Microsoft SharePoint Server Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
1.47%Down 3.1 points since Apr 14, 2021
What each source reports
CVE List Score used
Microsoft SharePoint Server Spoofing Vulnerability
Microsoft SharePoint Server Spoofing Vulnerability
- Record
CVE-2021-24104- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:P/RL:W/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-11020
Microsoft SharePoint Server Spoofing Vulnerability
- Record
EUVD-2021-11020- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:P/RL:W/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r3p8-9956-wrj3
Microsoft SharePoint Spoofing Vulnerability
Microsoft SharePoint Spoofing Vulnerability
- Record
GHSA-r3p8-9956-wrj3- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Microsoft SharePoint Server Spoofing Vulnerability
- Record
CVE-2021-24104- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24104 is a medium vulnerability (CVSS 4.6) in Microsoft Sharepoint Server, published March 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. No source names a fixed version.