CVE-2019-6852
A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-6852- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2019-6852- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2019-16406
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.
- Record
EUVD-2019-16406- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vhvr-vv9x-qw7q
A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340...
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.
- Record
GHSA-vhvr-vv9x-qw7q- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
- schneider electric modicon controllers (m340 cpus, m340 communication modules, premium cpus, premium communication modules, quantum cpus, quantum communication modules - see security notification for specific versions)
- schneider-electric 140 cpu6x firmware
- schneider-electric 140 noc 77101 firmware
- schneider-electric 140 noc 78x00 firmware
- schneider-electric 140 noe 771x1 firmware
- schneider-electric bmx noc 0401 firmware
- schneider-electric bmx noe 0100 firmware
- schneider-electric bmx noe 0110 firmware
- schneider-electric bmx p34x firmware
- schneider-electric tsx ety x103 firmware
- schneider-electric tsx p57x firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-6852 is a high vulnerability (CVSS 7.5) in Schneider Electric Modicon Controllers (m340 Cpus, M340 Communication Modules, Premium Cpus, Premium Communication Modules, Quantum Cpus, Quantum Communication Modules - See Security Notification For Specific Versions), published November 20, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.38%, the 72nd percentile. No source names a fixed version.