How severe is CVE-2015-3968?

CVE-2015-3968 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-3968 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3968?

CVE-2015-3968 primarily affects Janitza Umg 508. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3968?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-3968 published?

CVE-2015-3968 was published on 2015-10-28 and last updated on 2026-06-17.

CVE-2015-3968

CVE-2015-3968 is a high-severity vulnerability in Janitza Umg 508 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-255.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Janitza Umg 508
Published: 2015-10-28
Last modified: 2026-06-17

Description

The FTP service on Janitza UMG 508, 509, 511, 604, and 605 devices has a default password, which makes it easier for remote attackers to read or write to files via a session on TCP port 21.

Frequently asked questions

What is CVE-2015-3968?: The FTP service on Janitza UMG 508, 509, 511, 604, and 605 devices has a default password, which makes it easier for remote attackers to read or write to files via a session on TCP port 21.
How severe is CVE-2015-3968?: CVE-2015-3968 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-3968 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3968?: CVE-2015-3968 primarily affects Janitza Umg 508. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3968?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-3968 published?: CVE-2015-3968 was published on 2015-10-28 and last updated on 2026-06-17.

References

https://ics-cert.us-cert.gov/advisories/ICSA-15-265-03

Affected products (5)

cpe:2.3:h:janitza:umg_508:-:*:*:*:*:*:*:*
cpe:2.3:h:janitza:umg_509:-:*:*:*:*:*:*:*
cpe:2.3:h:janitza:umg_511:-:*:*:*:*:*:*:*
cpe:2.3:h:janitza:umg_604:-:*:*:*:*:*:*:*
cpe:2.3:h:janitza:umg_605:-:*:*:*:*:*:*:*

More vulnerabilities in Janitza Umg 508

CVE-2015-3972 — Critical (CVSS 10.0): The web interface on Janitza UMG 508, 509, 511, 604, and 605 devices supports only short PIN values for authentication,…
CVE-2015-3971 — High (CVSS 7.5): The debug interface on Janitza UMG 508, 509, 511, 604, and 605 devices does not require authentication, which allows…
CVE-2015-3967 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability on Janitza UMG 508, 509, 511, 604, and 605 devices allows remote…
CVE-2015-3973 — Medium (CVSS 5.0): Janitza UMG 508, 509, 511, 604, and 605 devices improperly generate session tokens, which makes it easier for remote…
CVE-2015-3969 — Medium (CVSS 5.0): Janitza UMG 508, 509, 511, 604, and 605 devices allow remote attackers to obtain sensitive network-connection…
CVE-2015-3970 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in the web interface on Janitza UMG 508, 509, 511, 604, and 605…

All CVEs affecting Janitza Umg 508 →

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