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.
Published 2023-08-02 13:15:11
Updated 2024-01-12 07:15:08
Source Open-Xchange
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-26451

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-26451

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
Open-Xchange

CWE ids for CVE-2023-26451

  • The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@open-xchange.com (Secondary)

Products affected by CVE-2023-26451

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