CVE-2021-42320
MEDIUMCVSS 5.7/10EPSS 1.52%
Last modified
CVE-2021-42320 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. Microsoft SharePoint Server Spoofing Vulnerability. EPSS estimates a 1.52% chance of exploitation in the next 30 days.
Description
Microsoft SharePoint Server Spoofing Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Sharepoint Enterprise Server | 2016 |
| Microsoft | Sharepoint Server | All versions |
| Microsoft | Sharepoint Server | 2019 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42320Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42320Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42320?
Microsoft SharePoint Server Spoofing Vulnerability
How severe is CVE-2021-42320?
CVE-2021-42320 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42320?
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.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
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Are you affected by CVE-2021-42320?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST