Is CVE-2019-6839 in the CISA KEV catalog?

No. CVE-2019-6839 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-6839?

CVE-2019-6839 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2019-6839?

CVE-2019-6839 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-6839?

Upgrade meg6260-0410 firmware to 1.3.7 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-6839

HIGH

8.8

CVSS v3

NVD

Description

A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could allow a user with low privileges to upload a rogue file.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

meg6260-0410 firmwareNVD

Affected:< 1.3.7Fixed in:1.3.7CVE-2019-6839derived from NVD

meg6260-0415 firmwareNVD

Affected:< 1.3.7Fixed in:1.3.7CVE-2019-6839derived from NVD

meg6501-0001 firmwareNVD

Affected:< 1.3.7Fixed in:1.3.7CVE-2019-6839derived from NVD

meg6501-0002 firmwareNVD

Affected:< 1.3.7Fixed in:1.3.7CVE-2019-6839derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Vendor Advisory1

se.com

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.