PT-2021-2379 · Microsoft · Sharepoint Server+1

Cameron Vincent · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-24104

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

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

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

Description The issue exists due to insufficient input validation in Microsoft SharePoint packages, allowing an attacker to conduct spoofing attacks. This can affect the system.

Recommendations For Microsoft SharePoint Server, consider restricting access to vulnerable components until a fix is available. For Microsoft SharePoint Enterprise Server, restrict access to vulnerable modules to minimize the risk of exploitation. For Microsoft SharePoint Foundation, avoid using vulnerable parameters in affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-01620

CVE-2021-24104

Affected Products

Sharepoint Server

Sharepoint Foundation

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-24104 · Security Note
• https://bdu.fstec.ru/vul/2021-01620 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24104 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-24104 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24104 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24104 · Vendor Advisory
• https://t.me/cvenotify/11168 · Telegram Post