#VU54186 Cleartext transmission of sensitive information in CLICK PLC CPU Module C0-1x CPUs - CVE-2021-32982

Vulnerability identifier: #VU54186

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-32982

CWE-ID: CWE-319

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CLICK PLC CPU Module C0-1x CPUs
Hardware solutions / Firmware

Vendor: AutomationDirect

Description

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

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CLICK PLC CPU Module C0-1x CPUs: before 3.00

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-166-02

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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.