A vulnerability exists in the UNEM server / APIGateway that if exploited allows a malicious user to perform an arbitrary number of authentication attempts using different passwords, and eventually gain access to other components in the same security realm using the targeted account.
Conclusion & alert: CVE-2024-28022 is rated Low Risk (35.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.36%). 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 | 0.12% | 0.36% | +0.24% |
| 2 | 2025-11-21 | 0.19% | 0.12% | -0.07% |
| 3 | 2025-11-18 | — | 0.19% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.2 | 3.7 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.2 | 3.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hitachienergy | foxman-un | r15a | cpe:2.3:a:hitachienergy:foxman-un:r15a:*:*:*:*:*:*:* |
| hitachienergy | foxman-un | r15b | cpe:2.3:a:hitachienergy:foxman-un:r15b:*:*:*:*:*:*:* |
| hitachienergy | foxman-un | r16a | cpe:2.3:a:hitachienergy:foxman-un:r16a:*:*:*:*:*:*:* |
| hitachienergy | foxman-un | r16b | cpe:2.3:a:hitachienergy:foxman-un:r16b:*:*:*:*:*:*:* |
| hitachienergy | unem | r15a | cpe:2.3:a:hitachienergy:unem:r15a:*:*:*:*:*:*:* |
| hitachienergy | unem | r15b | cpe:2.3:a:hitachienergy:unem:r15b:*:*:*:*:*:*:* |
| hitachienergy | unem | r16a | cpe:2.3:a:hitachienergy:unem:r16a:*:*:*:*:*:*:* |
| hitachienergy | unem | r16b | cpe:2.3:a:hitachienergy:unem:r16b:*:*:*:*:*:*:* |