CVE-2021-31171: Microsoft SharePoint Information Disclosure Vulnerability

Medium severity · published May 11, 2021

CVE-2021-31171

Microsoft SharePoint Information Disclosure Vulnerability

4.1

CVSS

0.6%

EPSS

On KEV

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack vector

Local

Complexity

High

Privileges

High

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.6% · higher than 51% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

SharePoint · Microsoft

2016; 2019 · source: NVD

Sharepoint Foundation · Microsoft

2013 · source: NVD

Affected product

SharePoint

Microsoft

All SharePoint CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-31171

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-31171

Patch

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31171