Auth bypass in Open-xchange Open-xchange_appsuite_backend
CVE-2023-26428
Attackers can successfully request arbitrary snippet IDs, including E-Mail signatures of other users within the same context. Signatures of other users could be read even though they are not explicitly shared. We improved permission handli…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.010 (58.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Open-xchange Open-xchange_appsuite_backend — versions 7.10.6
- Ox Software Gmbh App Suite — versions 0
Weakness classification (CWE)
References
- security@open-xchange.com (release-notes, Release Notes)
- security@open-xchange.com (vendor-advisory)
- security@open-xchange.com (Mailing List, Third Party Advisory)
- security@open-xchange.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-26428?
- CVE-2023-26428 is a medium-severity vulnerability in Open-xchange Open-xchange_appsuite_backend, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2023-06-20.
- How severe is CVE-2023-26428?
- Medium severity. CVSS v3 base score is 6.5 out of 10.