Vulnerability identifier: #VU21485

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-6830

CWE-ID: CWE-248

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Modicon M580
Hardware solutions / Firmware

Vendor: Schneider Electric

Description
The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on the target system.

The vulnerability exists due to uncaught exception vulnerability when sending an appropriately timed HTTP request to the controller. A remote attacker can cause a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Modicon M580: 1.04 - 2.41

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External links
http://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

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Q & A

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.