Vulnerability identifier: #VU53963

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-22749

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Modicon X80 BMXNOR0200H RTU
Hardware solutions / Firmware

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Modicon X80 BMXNOR0200H RTU: 1.70 IR22

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-159-05
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-05

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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.