CVE-2023-33387

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.

Published: 2023-06-22 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2023-33387

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-33387

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]

Weakness enumeration for CVE-2023-33387

Affected software / configurations for CVE-2023-33387

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:*:*:*:*:*:*

References for CVE-2023-33387

cvelogic Threat Intelligence