CVE-2015-3971

highpriority · track · 31EPSS 0.016 · 76 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.62% (76th) EPSS

CVSS 7.5 · high

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationUMG 508cisa_csaf_ot
Users may also download a manual telling how to secure a TCP/IP connection for UMG 604, UMG 605, UMG 508, UMG 509, UMG 511 and UMG 512. (http://www.janitza.com/download-manuals-current-devices.html)
http://www.janitza.com/download-manuals-current-devices.html
MitigationUMG 509cisa_csaf_ot
Users may also download a manual telling how to secure a TCP/IP connection for UMG 604, UMG 605, UMG 508, UMG 509, UMG 511 and UMG 512. (http://www.janitza.com/download-manuals-current-devices.html)
http://www.janitza.com/download-manuals-current-devices.html
MitigationUMG 511cisa_csaf_ot
Users may also download a manual telling how to secure a TCP/IP connection for UMG 604, UMG 605, UMG 508, UMG 509, UMG 511 and UMG 512. (http://www.janitza.com/download-manuals-current-devices.html)
http://www.janitza.com/download-manuals-current-devices.html
MitigationUMG 604cisa_csaf_ot
Users may also download a manual telling how to secure a TCP/IP connection for UMG 604, UMG 605, UMG 508, UMG 509, UMG 511 and UMG 512. (http://www.janitza.com/download-manuals-current-devices.html)
http://www.janitza.com/download-manuals-current-devices.html
MitigationUMG 605cisa_csaf_ot
Users may also download a manual telling how to secure a TCP/IP connection for UMG 604, UMG 605, UMG 508, UMG 509, UMG 511 and UMG 512. (http://www.janitza.com/download-manuals-current-devices.html)
http://www.janitza.com/download-manuals-current-devices.html

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · CISA US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USprimaryCWE-215USCWE-284US

affected products (21)

Products and version ranges known to be affected.

Janitza UMG 508: vers:all/*all versionscisa_csaf_otUS
Janitza UMG 509: vers:all/*all versionscisa_csaf_otUS
Janitza UMG 511: vers:all/*all versionscisa_csaf_otUS
Janitza UMG 604: vers:all/*all versionscisa_csaf_otUS
Janitza UMG 605: vers:all/*all versionscisa_csaf_otUS
Janitza UMG 508≤ vers:all/*cisa_csaf_otUS
Janitza UMG 509≤ vers:all/*cisa_csaf_otUS
Janitza UMG 511≤ vers:all/*cisa_csaf_otUS
Janitza UMG 604≤ vers:all/*cisa_csaf_otUS
Janitza UMG 605≤ vers:all/*cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
Janitza electronics GmbH Janitza UMG 508≤ .fstec_bduRU
Janitza electronics GmbH Janitza UMG 509≤ .fstec_bduRU
Janitza electronics GmbH Janitza UMG 511≤ .fstec_bduRU
Janitza electronics GmbH Janitza UMG 604≤ .fstec_bduRU
Janitza electronics GmbH Janitza UMG 605≤ .fstec_bduRU
janitza umg 508all versionsnvdUScpe:2.3:h:janitza:umg_508:*:*:*:*:*:*:*:*
janitza umg 509all versionsnvdUScpe:2.3:h:janitza:umg_509:*:*:*:*:*:*:*:*
janitza umg 511all versionsnvdUScpe:2.3:h:janitza:umg_511:*:*:*:*:*:*:*:*
janitza umg 604all versionsnvdUScpe:2.3:h:janitza:umg_604:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-15-265-03Janitza UMG Power Quality Measuring Products Vulnerabilities2015-06-25icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2015-10-28modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

http://www.janitza.com/Patchcnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-15-265-03 cnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-15-265-03 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-15-265-03PatchThird Party AdvisoryUS Government Resourcenvd

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