How severe is CVE-2019-6852?

CVE-2019-6852 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-6852 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6852?

CVE-2019-6852 primarily affects Schneider-electric Bmx P34x Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6852?

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-2019-6852 published?

CVE-2019-6852 was published on 2019-11-20 and last updated on 2026-06-17.

CVE-2019-6852

CVE-2019-6852 is a high-severity vulnerability in Schneider-electric Bmx P34x Firmware with a CVSS 3.x 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Schneider-electric Bmx P34x Firmware
Published: 2019-11-20
Last modified: 2026-06-17

Description

A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions), which could cause the disclosure of FTP hardcoded credentials when using the Web server of the controller on an unsecure network.

Frequently asked questions

What is CVE-2019-6852?: A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions), which could cause the disclosure of FTP hardcoded credentials when using the Web server of the controller on an unsecure network.
How severe is CVE-2019-6852?: CVE-2019-6852 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-6852 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6852?: CVE-2019-6852 primarily affects Schneider-electric Bmx P34x Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6852?: 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-2019-6852 published?: CVE-2019-6852 was published on 2019-11-20 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:schneider-electric:bmx_p34x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:bmx_noe_0100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:bmx_noe_0110_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:bmx_noc_0401_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsx_p57x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsx_ety_x103_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140_cpu6x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140_noe_771x1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140_noc_78x00_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140_noc_77101_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Bmx P34x Firmware

CVE-2019-6859 — High (CVSS 7.5): A CWE-798: Use of Hardcoded Credentials vulnerability exists in Modicon Controllers (All versions of the following CPUs…

All CVEs affecting Schneider-electric Bmx P34x Firmware →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →