CVE-2020-1523

Microsoft SharePoint Server Tampering Vulnerability

Description

A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data. To exploit the vulnerability, an attacker would need to be authenticated on an affected SharePoint Server. The attacker would then need to send a specially modified request to the server, targeting a specific user. The security update addresses the vulnerability by modifying how Microsoft SharePoint Server handles profile data.

8.9

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 4.62% Top 15%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft SharePoint Server 2019

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1523	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-1523?: CVE-2020-1523 has been scored as a high severity vulnerability.
How to fix CVE-2020-1523?: To fix CVE-2020-1523, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1523 being actively exploited in the wild?: It is possible that CVE-2020-1523 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1523?: CVE-2020-1523 affects Microsoft Microsoft SharePoint Server 2019.

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