#VU22580 Uncaught Exception in Schneider Electric products - CVE-2019-6841
Published: November 7, 2019
Vulnerability identifier: #VU22580
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-6841
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Modicon M580
Modicon M340
Modicon BMxCRA modules
Modicon 140CRA modules
Modicon M580
Modicon M340
Modicon BMxCRA modules
Modicon 140CRA modules
Software vendor:
Schneider Electric
Schneider Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception vulnerability when upgrading the firmware with no firmware image inside the package using FTP protocol. A remote authenticated administrator can cause a denial of service condition on the PLC.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.