CVEvulnerability
CVE-2023-26455
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-11-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.6 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-287
Description
RMI was not requiring authentication when calling ChronosRMIService:setEventOrganizer. Attackers with local or adjacent network access could abuse the RMI service to modify calendar items using RMI. RMI access is restricted to localhost by default. The interface has been updated to require authenticated requests. No publicly available exploits are known.
Affected configurations
• open-xchange open-xchange appsuite (< 7.10.6)
• open-xchange open-xchange appsuite 7.10.6
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0004.json documentation.open-xchange.com
- https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6243_7.10.6_2023-08-01.pdf Release Notes, Vendor Advisory
- https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0004.json documentation.open-xchange.com
- https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6243_7.10.6_2023-08-01.pdf Release Notes, Vendor Advisory