Vulnerability identifier: #VU24372
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID: N/A
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Modicon M580
Hardware solutions /
Firmware
Modicon M340
Hardware solutions /
Firmware
Modicon Premium
Hardware solutions /
Firmware
Modicon Quantum
Hardware solutions /
Firmware
Vendor: Schneider Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper check for unusual or exceptional conditions. A remote attacker can cause a denial of service condition in the controller when reading specific memory blocks using Modbus TCP.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Modicon M580: 1.04 - 2.50
Modicon M340: All versions
Modicon Premium: All versions
Modicon Quantum: All versions
External links
http://www.se.com/ww/en/download/document/SEVD-2019-344-01
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.