PT-2021-2155 · Microsoft · Sharepoint Server+1

Published 2021-02-09 · Updated 2023-12-29 · CVE-2021-1726

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

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

Description The issue is related to a spoofing vulnerability in Microsoft SharePoint. It is caused by insufficient input validation, which can be exploited by a remote attacker to conduct spoofing attacks. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations 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:2021-01028

CVE-2021-1726

Affected Products

Sharepoint Server

Sharepoint Foundation

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1726 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1726 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1726 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01028 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1726 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1726 · Vendor Advisory
• https://t.me/cibsecurity/24166 · Telegram Post