PT-2020-2156 · Microsoft · Sharepoint Server+1

Ivan Vagunin · Published 2020-04-14 · Updated 2020-04-20 · CVE-2020-0929

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft SharePoint Server, SharePoint Foundation, and SharePoint Enterprise Server (affected versions not specified)

Description The issue is related to a lack of restrictions on file uploads, which can be exploited by a remote attacker to execute arbitrary code by uploading a specially crafted SharePoint application package. This can allow the attacker to run code in the context of the SharePoint application pool and the SharePoint server farm account. The exploitation requires a user to upload a malicious 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

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

BDU:2020-02060

CVE-2020-0929

Affected Products

Sharepoint Server

Sharepoint Foundation

References · 5

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0929 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0929 · Security Note
• https://osv.dev/vulnerability/CVE-2020-0929 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02060 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0929 · Security Note