Kiteworks Totemomail through 7.0.0 allows /responsiveUI/EnvelopeOpenServlet envelopeRecipient reflected XSS.
Conclusion & alert: CVE-2024-28063 is rated Low Risk (30.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). 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 | 2026-06-15 | 0.16% | 0.27% | +0.11% |
| 2 | 2025-07-13 | 0.08% | 0.16% | +0.08% |
| 3 | 2025-04-15 | — | 0.08% | — |
Full EPSS history (5 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| totemo | totemomail | <= 7.0.0 | cpe:2.3:a:totemo:totemomail:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.objectif-securite.ch/advisories/totemomail-reflected-xss.txt | Third Party Advisory |