The web interface on Janitza UMG 508, 509, 511, 604, and 605 devices supports only short PIN values for authentication, which makes it easier for remote attackers to obtain access via a brute-force attack.
Conclusion & alert: CVE-2015-3972 is rated High Risk (71.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.86%). Core evidence: EPSS rose +2.15% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 0.71% | 2.86% | +2.15% |
| 2 | 2026-02-03 | 0.61% | 0.71% | +0.09% |
| 3 | 2025-03-30 | — | 0.61% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| janitza | umg_508 | — | cpe:2.3:h:janitza:umg_508:-:*:*:*:*:*:*:* |
| janitza | umg_509 | — | cpe:2.3:h:janitza:umg_509:-:*:*:*:*:*:*:* |
| janitza | umg_511 | — | cpe:2.3:h:janitza:umg_511:-:*:*:*:*:*:*:* |
| janitza | umg_604 | — | cpe:2.3:h:janitza:umg_604:-:*:*:*:*:*:*:* |
| janitza | umg_605 | — | cpe:2.3:h:janitza:umg_605:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-15-265-03 | Patch Third Party Advisory US Government Resource |