How severe is CVE-2019-6835?

CVE-2019-6835 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-6835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6835?

CVE-2019-6835 primarily affects Schneider-electric Meg6501-0001 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-6835 published?

CVE-2019-6835 was published on 2019-09-17 and last updated on 2026-06-17.

CVE-2019-6835

CVE-2019-6835 is a medium-severity vulnerability in Schneider-electric Meg6501-0001 Firmware with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Schneider-electric Meg6501-0001 Firmware
Published: 2019-09-17
Last modified: 2026-06-17

Description

A Cross-Site Scripting (XSS) CWE-79 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 an attacker to inject client-side script when a user visits a web page.

Frequently asked questions

What is CVE-2019-6835?: A Cross-Site Scripting (XSS) CWE-79 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 an attacker to inject client-side script when a user visits a web page.
How severe is CVE-2019-6835?: CVE-2019-6835 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-6835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6835?: CVE-2019-6835 primarily affects Schneider-electric Meg6501-0001 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6835 published?: CVE-2019-6835 was published on 2019-09-17 and last updated on 2026-06-17.

References

https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-253-01

Affected products (4)

cpe:2.3:o:schneider-electric:meg6501-0001_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:meg6501-0002_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:meg6260-0410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:meg6260-0415_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Meg6501-0001 Firmware

CVE-2019-6840 — Critical (CVSS 9.8): A Format String: CWE-134 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 -…
CVE-2019-6837 — Critical (CVSS 9.1): A Server-Side Request Forgery (SSRF): CWE-918 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX…
CVE-2019-6839 — High (CVSS 8.8): A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in U.motion Server (MEG6501-0001 -…
CVE-2019-6836 — High (CVSS 7.5): A CWE-863: Incorrect Authorization vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server,…
CVE-2019-6838 — Medium (CVSS 6.5): A CWE-863: Incorrect Authorization vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server,…

All CVEs affecting Schneider-electric Meg6501-0001 Firmware →

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