CVE-2021-34519
MediumCVSS 5.3Exploitation Probability (EPSS)
Very high risk91th percentile - higher than 91% of all known CVEs
Summary
Information disclosure vulnerability in Microsoft SharePoint Server. An attacker could exploit this flaw to gain access to information that should be protected.
Risk Assessment
Risk of leaking confidential data stored in SharePoint, potentially compromising data integrity and user privacy.
Recommendation
Install the latest security updates provided by Microsoft for SharePoint Server.
Other vulnerabilities in Microsoft SharePoint Server
See all- CVE-2017-8569High
Microsoft SharePoint Server has an elevation of privilege vulnerability due to improper sanitization of a specially crafted web request to an affected SharePoint server.
- CVE-2025-53770CriticalActively exploited
Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware of an exploit in the wild and is preparing an update.
- CVE-2023-33160High
A vulnerability in Microsoft SharePoint Server allows remote code execution by an attacker. Exploiting this flaw could lead to system takeover.
- CVE-2023-29357CriticalActively exploited
Elevation of Privilege vulnerability in Microsoft SharePoint Server. Technical details are not provided in the description.
- CVE-2023-24955HighActively exploited
Microsoft SharePoint Server Remote Code Execution Vulnerability.
- CVE-2021-34467High
Vulnerability in Microsoft SharePoint Server allows remote code execution. An attacker could exploit it to run arbitrary code on the SharePoint server.
- CVE-2021-27076High
Remote Code Execution vulnerability in Microsoft SharePoint Server. Details are not provided in the description.
- CVE-2020-1069High
A remote code execution vulnerability in Microsoft SharePoint Server due to failure to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker could exploit it by creating a specially crafted page. The update corrects how SharePoint Server handles processing of created content.
- CVE-2023-36894Medium
A vulnerability in Microsoft SharePoint Server allows for information disclosure, potentially leading to unauthorized access to sensitive data.
- CVE-2023-36892High
A vulnerability in Microsoft SharePoint Server allows for spoofing, which may lead to unauthorized access to user data. An attacker can exploit this flaw to impersonate a trusted source.
Original NVD description (English source)
Microsoft SharePoint Server Information Disclosure Vulnerability