PT-2020-4329 · Microsoft · Sharepoint Server+1

Ivan Vagunin + 2 · Published 2020-10-13 · Updated 2023-12-31 · CVE-2020-16951

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:N/C:P/I:C/A:P

Name of the Vulnerable Software and Affected Versions: Microsoft SharePoint (affected versions not specified)

Description: A remote code execution issue exists in Microsoft SharePoint due to the software's failure to properly check the source markup of an application package. This could allow an attacker to run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account. Exploitation requires a user to upload a specially crafted SharePoint application package to an affected version of SharePoint.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Origin Validation Error

Weakness Enumeration

CWE-20

CWE-346

Related Identifiers

BDU:2020-04829

CVE-2020-16951

Affected Products

Sharepoint Server

Sharepoint Foundation

References · 5

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16951 · Security Note
• https://bdu.fstec.ru/vul/2020-04829 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-16951 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16951 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16951 · Vendor Advisory