CVE-2015-3972

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.

Published: 2015-10-28 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2015-3972

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3972

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-3972

Affected software / configurations for CVE-2015-3972

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:-:*:*:*:*:*:*:*

References for CVE-2015-3972

URL Tags
https://ics-cert.us-cert.gov/advisories/ICSA-15-265-03 Patch Third Party Advisory US Government Resource
cvelogic Threat Intelligence