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CVE-2023-21743

Опубликовано: 10 янв. 2023
Источник: msrc
CVSS3: 5.3
EPSS Средний

Описание

Microsoft SharePoint Server Security Feature Bypass Vulnerability

FAQ

Are any additional steps required to protect my SharePoint farm after installing the January 10, 2023 security update for SharePoint Server?

Yes. Customers must also trigger a SharePoint upgrade action included in this update to protect their SharePoint farm. The upgrade action can be triggered by running the SharePoint Products Configuration Wizard, the Upgrade-SPFarm PowerShell cmdlet, or the "psconfig.exe -cmd upgrade -inplace b2b" command on each SharePoint server after installing the update.

How could an attacker exploit this vulnerability?

In a network-based attack, an unauthenticated attacker could bypass authentication and make an anonymous connection.

What kind of security feature could be bypassed by successfully exploiting this vulnerability?

An unauthenticated attacker is able to bypass the expected user access.

Обновления

ПродуктСтатьяОбновление
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation More Likely

DOS

N/A

EPSS

Процентиль: 93%
0.10483
Средний

5.3 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.3
nvd
около 3 лет назад

Microsoft SharePoint Server Security Feature Bypass Vulnerability

CVSS3: 5.3
github
около 3 лет назад

Microsoft SharePoint Server Security Feature Bypass Vulnerability.

CVSS3: 5.3
fstec
около 3 лет назад

Уязвимость пакетов программ Microsoft SharePoint Server и SharePoint Enterprise Server, связанная с ошибками в настройках безопасности, позволяющая нарушителю обойти существующие ограничения безопасности

EPSS

Процентиль: 93%
0.10483
Средний

5.3 Medium

CVSS3