A reflected cross-site scripting (XSS) vulnerability in DATEV eG Personal-Management System Comfort/Comfort Plus v15.1.0 to v16.1.1 P4 allows attackers to steal targeted users' login data by sending a crafted link.
Conclusion & alert: CVE-2023-33387 is rated Moderate Risk (49/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.63%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-03-17 | 0.51% | 0.63% | +0.13% |
| 2 | 2025-11-21 | 0.57% | 0.51% | -0.06% |
| 3 | 2025-11-18 | — | 0.57% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| datev | eg_personal-management_system_comfort\/comfort_plus | >= 15.1.0, < 16.1.1 | cpe:2.3:a:datev:eg_personal-management_system_comfort\/comfort_plus:*:*:*:*:*:*:*:* |
| datev | eg_personal-management_system_comfort\/comfort_plus | 16.1.1 | cpe:2.3:a:datev:eg_personal-management_system_comfort\/comfort_plus:16.1.1:-:*:*:*:*:*:* |
| datev | eg_personal-management_system_comfort\/comfort_plus | 16.1.1 | cpe:2.3:a:datev:eg_personal-management_system_comfort\/comfort_plus:16.1.1:p1:*:*:*:*:*:* |
| datev | eg_personal-management_system_comfort\/comfort_plus | 16.1.1 | cpe:2.3:a:datev:eg_personal-management_system_comfort\/comfort_plus:16.1.1:p2:*:*:*:*:*:* |
| datev | eg_personal-management_system_comfort\/comfort_plus | 16.1.1 | cpe:2.3:a:datev:eg_personal-management_system_comfort\/comfort_plus:16.1.1:p3:*:*:*:*:*:* |
| datev | eg_personal-management_system_comfort\/comfort_plus | 16.1.1 | cpe:2.3:a:datev:eg_personal-management_system_comfort\/comfort_plus:16.1.1:p4:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://apps.datev.de/help-center/documents/1021479 | Vendor Advisory |
| https://support.veda.net/datev.php | Third Party Advisory |
| https://www.tuv.com/landingpage/de/schwachstelle/ | Third Party Advisory |