🛡️ CVE-2023-26451
🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-330 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Functions with insufficient randomness were used to generate authorization tokens of the integrated oAuth Authorization Service. Authorization codes were predictable for third parties and could be used to intercept and take over the client authorization process. As a result, other users accounts could be compromised. The oAuth Authorization Service is not enabled by default. We have updated the implementation to use sources with sufficient randomness to generate authorization tokens. No publicly available exploits are known.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-330
Public Exploit ✅ No
Source NVD
Published 2023-08-02
Updated 2026-06-08
Modified 2024-11-21
Fix URL N/A

Affected Packages

Software From version Fixed in
open-xchange-appsuite-backend 8.11.0

References

Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2023/Aug/8
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2023/Aug/8

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