What’s Vulnerable › Vulnerabilities

CVE-2024-23193

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-06 · updated 2026-06-17
• Weakness: CWE-200

Description

E-Mails exported as PDF were stored in a cache that did not consider specific session information for the related user account. Users of the same service node could access other users E-Mails in case they were exported as PDF for a brief moment until caches were cleared. Successful exploitation requires good timing and modification of multiple request parameters. Please deploy the provided updates and patch releases. The cache for PDF exports now takes user session information into consideration when performing authorization decisions. No publicly available exploits are known.

Affected products

• Open-Xchange GmbH OX App Suite: before 8.22 — fixed in 8.22

How to fix

Upgrade to a fixed version: Open-Xchange GmbH OX App Suite 8.22. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2024/May/3
• https://documentation.open-xchange.com/appsuite/releases/8.22/
• https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2024/oxas-adv-2024-0002.json
• http://seclists.org/fulldisclosure/2024/May/3
• https://documentation.open-xchange.com/appsuite/releases/8.22/
• https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2024/oxas-adv-2024-0002.json

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