CVE-2023-26455

HIGH
7.8
CVSS Score
Published: November 2, 2023 at 01:01 PM UTC
Updated: June 17, 2026 at 05:43 AM UTC
2 products affected across 2 vendorsOpen Xchange AppsuiteOX App Suite

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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