CVE-2021-27052
published 2021-03-11CVE-2021-27052: Microsoft SharePoint Server Information Disclosure Vulnerability
PriorityP434medium6.5CVSS 3.1
AVNACLPRLUINSUCHINAN
EPSS
3.12%
87.7th percentile
Microsoft SharePoint Server Information Disclosure Vulnerability
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_sharepoint_enterprise_server_2016 | >= 16.0.0 < 16.0.5134.1000 | 16.0.5134.1000 |
| microsoft | microsoft_sharepoint_server_2019 | >= 16.0.0 < 16.0.10372.20000 | 16.0.10372.20000 |
| microsoft | sharepoint_enterprise_server | — | — |
| microsoft | sharepoint_server | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2016 | — | — |
| msrc | microsoft_sharepoint_server_2019 | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N
vendor_msrc5.3MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Microsoft SharePoint Server/Office Web Apps 2016/2019 information disclosure
vuldb·2026-08-21·CVSS 6.5
CVE-2021-27052 [MEDIUM] Microsoft SharePoint Server/Office Web Apps 2016/2019 information disclosure
A vulnerability was found in Microsoft SharePoint Server and Office Web Apps 2016/2019 and classified as problematic. Affected is an unknown function. Such manipulation leads to information disclosure.
This vulnerability is uniquely identified as CVE-2021-27052. The attack can be launched remotely. No exploit exists.
It is advisable to implement a patch to correct this issue.
GHSA
GHSA-3cc8-469j-w7qg: Microsoft SharePoint Server Information Disclosure Vulnerability
ghsa_unreviewed·2022-05-24
CVE-2021-27052 [MEDIUM] GHSA-3cc8-469j-w7qg: Microsoft SharePoint Server Information Disclosure Vulnerability
Microsoft SharePoint Server Information Disclosure Vulnerability
Microsoft
Microsoft SharePoint Server Information Disclosure Vulnerability
vendor_msrc·2021-03-09·CVSS 5.3
CVE-2021-27052 [MEDIUM] Microsoft SharePoint Server Information Disclosure Vulnerability
Microsoft SharePoint Server Information Disclosure Vulnerability
FAQ: What type of information could be disclosed by this vulnerability?
An attacker could possibly gain access to an organizational's email, sites, filenames, or the URLs of files.
Microsoft Office SharePoint: Microsoft Office SharePoint
Microsoft: Microsoft
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://www.microsoft.com/downloads/details.aspx?familyid=35544dda-5748-488f-ba0a-3cb0598bd49c
Reference: https://www.microsoft.com/downloads/details.aspx?familyid=93aae8bc-8253-4df6-a1cf-7554eb0f8eda
Reference: https://support.microsoft.com/help/4493230
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-11
Published