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.
Conclusion & alert: CVE-2024-23193 is rated Low Risk (33.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.17% | 0.15% | -0.02% |
| 2 | 2025-11-18 | 0.09% | 0.17% | +0.08% |
| 3 | 2025-04-15 | — | 0.09% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
1.6 | 3.6 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
1.6 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| open-xchange | ox_app_suite | < 8.22 | cpe:2.3:a:open-xchange:ox_app_suite:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://seclists.org/fulldisclosure/2024/May/3 | Mailing List Third Party Advisory |
| https://documentation.open-xchange.com/appsuite/releases/8.22/ | Release Notes |
| https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2024/oxas-adv-2024-0002.json | Issue Tracking Vendor Advisory |