PT-2025-4228 · Microsoft · Sharepoint Server

Felix Boulet · Published 2025-01-14 · Updated 2025-01-17 · CVE-2025-21393

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

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

Description The issue concerns a spoofing vulnerability in Microsoft SharePoint Server. This vulnerability is related to the failure to properly protect the web page structure, which could allow a remote attacker to perform a spoofing attack. 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.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2025-01176

CVE-2025-21393

Affected Products

Sharepoint Server

References · 7

• https://osv.dev/vulnerability/CVE-2025-21393 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21393 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21393 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-01176 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21393 · Security Note
• https://t.me/cvedetector/15328 · Telegram Post
• https://twitter.com/CVEnew/status/1879490187786621286 · Twitter Post