Improper access control vulnerability exists in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1 and earlier, which may allow a network-adjacent unauthenticated attacker to obtain a username and its hashed password displayed on the management page of the affected product.
Conclusion & alert: CVE-2024-23784 is rated Low Risk (37/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.39%). 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% | 0.39% | +0.23% |
| 2 | 2025-11-21 | 0.10% | 0.16% | +0.07% |
| 3 | 2025-11-18 | — | 0.10% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sharp | jh-rvb1_firmware | <= b0.1.9.1 | cpe:2.3:o:sharp:jh-rvb1_firmware:*:*:*:*:*:*:*:* |
| sharp | jh-rv11_firmware | <= b0.1.9.1 | cpe:2.3:o:sharp:jh-rv11_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jp.sharp/support/taiyo/info/JVNVU94591337_en.pdf | Vendor Advisory |
| https://jp.sharp/support/taiyo/info/JVNVU94591337_jp.pdf | Vendor Advisory |
| https://jvn.jp/en/vu/JVNVU94591337/ | Third Party Advisory |