CVE-2023-29357
Microsoft SharePoint Server Privilege Escalation Vulnerability
CVSS
—
Sem CVSS
EPSS
100.0%
p100
KEV
SIM
10 de jan. de 2024
Exploit Today
80
0-100
Publicado: — · Última mod.: —
Produto
Microsoft / SharePoint Server
Vulnerabilidade
Microsoft SharePoint Server Privilege Escalation Vulnerability
Adicionado ao KEV
10 de jan. de 2024
Corrigir até
31 de jan. de 2024
Uso conhecido em ransomware
Sim
Descrição resumida
Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.
Ação necessária
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notas
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357; https://nvd.nist.gov/vuln/detail/CVE-2023-29357