PT-2021-1847 · Microsoft · Sharepoint Server+1

Hph0Var + 1 · Published 2021-01-12 · Updated 2024-10-08 · CVE-2021-1717

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 Foundation (affected versions not specified) Microsoft SharePoint Enterprise Server (affected versions not specified)

Description The issue is related to insufficient input validation in Microsoft SharePoint packages, which can be exploited by a remote attacker to perform spoofing attacks.

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:2021-00607

CVE-2021-1717

Affected Products

Sharepoint Server

Sharepoint Foundation

References · 10

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1717 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1717 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1717 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1717 · Security Note
• https://bdu.fstec.ru/vul/2021-00607 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1717 · Note
• https://t.me/cvenotify/8555 · Telegram Post
• https://t.me/cvenotify/65719 · Telegram Post
• https://t.me/cibsecurity/21977 · Telegram Post
• https://t.me/cibsecurity/21998 · Telegram Post