Medium severity · published Jul 14, 2021
CVE-2021-34519
Microsoft SharePoint Server Information Disclosure Vulnerability
5.3
CVSS
6.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.1% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
SharePoint · Microsoft
2013; 2016 · source: NVD
SF
Sharepoint Foundation · Microsoft
2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34519
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34519
msrc.microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34519
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34519
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-830/
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