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Vulnerability

Microsoft SharePoint Improper Authentication Vulnerability

Official source
EudorIA operational summary

What it means

Priority 95/100

CISA Known Exploited Vulnerabilities ha pubblicato CVE-2025-49706 relativa a Microsoft SharePoint. La vulnerabilita risulta gia sfruttata: la verifica di esposizione e prioritaria.

Why it matters

La fonte segnala sfruttamento attivo. La priorita dipende dalla presenza della tecnologia interessata nel perimetro; il testo acquisito non consente di dedurre ulteriori impatti tecnici.

Potential operational benefits

  • Riduzione dell'esposizione di asset non protetti o obsoleti.
  • Minore tempo di rilevazione di attività malevoli grazie a controlli aggiornati.
  • Miglioramento della risposta agli incidenti grazie a una gestione delle vulnerabilità strutturata.
  • Riduzione del rischio di accesso non autorizzato a informazioni sensibili.
Indications to confirm against the customer's technical and organisational perimeter.
Relevant controlsAsset & Exposure ManagementNetwork Security & NDRSOC Monitoring & Incident ResponseVulnerability Management
AudienceITSOCCISO
Information centre

Italian version

CISA

Microsoft SharePoint Improper Authentication Vulnerability

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. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.

Text acquired from the source

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. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.

Source
CISA Known Exploited Vulnerabilities
Publishing entity
CISA
Entity type
National authority
Area
North America · US
Original language
en · translation completed
Publication
22/07/2025 02:00
CVE
CVE-2025-49706
Classification
exploited
Vendor
Microsoft
Product
SharePoint
Stated country
US
Technical scope

Affected products and versions

Data available
ProductAffected release or rangeFix or verification requiredSource
microsoftsharepoint enterprise server Versione 2016 Verificare remediation e aggiornamenti nell'advisory del vendor NIST NVD
microsoftsharepoint server prima di 16.0.18526.20424, esclusa Verificare remediation e aggiornamenti nell'advisory del vendor NIST NVD
microsoftsharepoint server Versione 2019 Verificare remediation e aggiornamenti nell'advisory del vendor NIST NVD
MicrosoftMicrosoft SharePoint Enterprise Server 2016 da 16.0.0, inclusa; prima di 16.0.5508.1000, esclusa Verificare remediation e aggiornamenti nell'advisory del vendor CVE Record - microsoft
MicrosoftMicrosoft SharePoint Server 2019 da 16.0.0, inclusa; prima di 16.0.10417.20027, esclusa Verificare remediation e aggiornamenti nell'advisory del vendor CVE Record - microsoft
MicrosoftMicrosoft SharePoint Server Subscription Edition da 16.0.0, inclusa; prima di 16.0.18526.20424, esclusa Verificare remediation e aggiornamenti nell'advisory del vendor CVE Record - microsoft

Action indicated by the source

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

Open the original source