#VU53979 Use of Hard-coded Cryptographic Key in Rockwell Automation products - CVE-2020-25180

Vulnerability identifier: #VU53979

Vulnerability risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-25180

CWE-ID: CWE-321

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AADvance Controller
Server applications / Other server solutions
ISaGRAF Free Runtime in ISaGRAF6 Workbench
Server applications / Other server solutions
ISaGRAF Runtime
Server applications / Other server solutions
Micro800
Hardware solutions / Firmware

Vendor: Rockwell Automation

Description

The vulnerability allows a remote attacker to disclose sensitive information on the target system.

The vulnerability exists due to use of hard-coded cryptographic key issue. A remote attacker can pass their own encrypted password to the ISaGRAF 5 Runtime, and cause information disclosure on the device.

Mitigation
Install update from vendor's website.

Vulnerable software versions

AADvance Controller: 1.40

ISaGRAF Free Runtime in ISaGRAF6 Workbench: 6.6.8

Micro800: All versions

ISaGRAF Runtime: before 5.72.00

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-280-01
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/07/13/klcert-20-025-rockwell-automation-isagraf-runtime-information-disclosure-due-to-hard-coded-cryptographic-key

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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.