CVE-2021-34517
MEDIUMCVSS 5.3/10EPSS 1.77%
Last modified
CVE-2021-34517 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Microsoft SharePoint Server Spoofing Vulnerability. EPSS estimates a 1.77% chance of exploitation in the next 30 days.
Description
Microsoft SharePoint Server Spoofing Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Sharepoint Foundation | 2013 | Sp1 |
| Microsoft | Sharepoint Server | 2013 | Sp1 |
| Microsoft | Sharepoint Server | 2016 | — |
| Microsoft | Sharepoint Server | 2019 | — |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34517Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34517Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-34517?
Microsoft SharePoint Server Spoofing Vulnerability
How severe is CVE-2021-34517?
CVE-2021-34517 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34517?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-34517?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST