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.
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 20.94% 0.955
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.