Microsoft SharePoint Server Elevation of Privilege Vulnerability
Published 2023-06-14 00:15:10
Updated 2024-06-10 15:25:06
View at NVD,   CVE.org
Vulnerability category: Gain privilege

CVE-2023-29357 is in the CISA Known Exploited Vulnerabilities Catalog

This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
Microsoft SharePoint Server Privilege Escalation Vulnerability
CISA required action:
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA description:
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 privileg
Notes:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357
Added on 2024-01-10 Action due date 2024-01-31

Exploit prediction scoring system (EPSS) score for CVE-2023-29357

88.96%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2023-29357

  • Sharepoint Dynamic Proxy Generator Unauth RCE
    Disclosure Date: 2023-05-01
    First seen: 2024-04-18
    exploit/windows/http/sharepoint_dynamic_proxy_generator_auth_bypass_rce
    This module exploits two vulnerabilities in Sharepoint 2019, an auth bypass CVE-2023-29357 which was patched in June of 2023 and CVE-2023-24955, an RCE which was patched in May of 2023. The auth bypass allows attackers to impersonate the Sharepoint Admin user. This vu

CVSS scores for CVE-2023-29357

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
Microsoft Corporation

CWE ids for CVE-2023-29357

References for CVE-2023-29357

Products affected by CVE-2023-29357

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!