Home/CVE/Microsoft SharePoint Server Information Disclosure Vulnerability
CVE

CVE-2021-31173

Microsoft SharePoint Server Information Disclosure Vulnerability

Microsoft SharePoint Server Information Disclosure Vulnerability.

MEDIUM · CVSS 5.3 EPSS 0.05181
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  • EPSS percentile: top 10% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
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Affected Products & Versions

2
microsoft sharepoint foundationall versions
microsoft sharepoint serverall versions
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Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · secure@microsoft.com
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Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2021-31173Information Disclosure
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31173PatchVendor Advisory
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