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Fencer Intel
high 7.5

CVE-2015-3971 json

The debug interface on Janitza UMG 508, 509, 511, 604, and 605 devices does not require authentication, which allows remote attackers to re…

published 2015-10-28 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4002

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

The debug interface on Janitza UMG 508, 509, 511, 604, and 605 devices does not require authentication, which allows remote attackers to read or write to files, or execute arbitrary JASIC code, via a session on TCP port 1239.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-15-265-03 updated cvss 9.1

Janitza UMG Power Quality Measuring Products Vulnerabilities

  • Janitza UMG 508 Janitza UMG 509 Janitza UMG 511 Janitza UMG 604 Janitza UMG 605
    affected: mitigation “Update to the latest firmware version. (http://www.janitza.com/experimental-downloads.html)”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.