Executive Summary

Informations
Name CVE-2023-39953 First vendor Publication 2023-08-10
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Overall CVSS Score 4.8
Base Score 4.8 Environmental Score 4.8
impact SubScore 2.5 Temporal Score 4.8
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact Low Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, missing verification of the issuer would have allowed an attacker to perform a man-in-the-middle attack returning corrupted or known token they also have access to. user_oidc 1.3.3 contains a patch. No known workarounds are available.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-39953

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xx3...
https://github.com/nextcloud/user_oidc/pull/642
https://hackerone.com/reports/2021684
Source Url

Alert History

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0
1
2
Date Informations
2024-11-28 14:28:18
  • Multiple Updates
2023-08-17 00:27:24
  • Multiple Updates
2023-08-10 21:27:19
  • First insertion