6.5

CVE-2025-49706

Warnung
Medienbericht
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftSharepoint Server SwEditionsubscription Version < 16.0.18526.20424
MicrosoftSharepoint Server Version2019

22.07.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft SharePoint Improper Authentication Vulnerability

Schwachstelle

Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. The update for CVE-2025-53771 includes more robust protections than the update for CVE-2025-49706.

Beschreibung

CISA recommends disconnecting public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS). For example, SharePoint Server 2013 and earlier versions are end-of-life and should be discontinued if still in use. For supported versions, please follow the mitigations according to CISA and vendor instructions. Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 62.1% 0.983
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.