High severity · published Aug 12, 2021
CVE-2021-36940
Microsoft SharePoint Server Spoofing Vulnerability
7.6
CVSS
4%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)4.0% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
SharePoint · Microsoft
2019 · source: NVD
SE
Sharepoint Enterprise Server · Microsoft
2013; 2016 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36940
msrc.microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36940
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36940
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