Open Xchange Appsuite
CVE-2023-26455
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
RMI was not requiring authentication when calling ChronosRMIService:setEventOrganizer. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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 products include: Open-Xchange Open-Xchange Appsuite.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
More in Open Xchange Appsuite
View allThe backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev4
OX App Suite through 7.10.2 has Insecure Permissions. Rated high severity (CVSS 8.1), this vulnerability is remotely exp
The (1) REST and (2) memcache interfaces in the Hazelcast cluster API in Open-Xchange AppSuite 7.0.x before 7.0.2-rev15
SQL injection vulnerability in Open-Xchange (OX) AppSuite before 7.4.2-rev36 and 7.6.x before 7.6.0-rev23 allows remote
The frontend component in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev
The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev4
An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev5. Rated medium severity (CVSS 6.1), this vulnerabi
OX App Suite through 7.10.6 allows XSS via a malicious capability to the metrics or help module, as demonstrated by a /#
OX App Suite through 7.10.6 allows XSS via script code within a contact that has an e-mail address but lacks a name. Rat
OX App Suite through 7.10.6 allows XSS via HTML in text/plain e-mail messages. Rated medium severity (CVSS 6.1), this vu
OX App Suite through 7.10.6 allows XSS via XHTML CDATA for a snippet, as demonstrated by the onerror attribute of an IMG
OX App Suite through 7.10.6 allows XSS via a deep link, as demonstrated by class="deep-link-app" for a /#!!&app=%2e./ UR
Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today