#VU106093 Improper Neutralization of Special Elements in Output Used by a Downstream Component in 440G TLS-Z - CVE-2020-27212

Vulnerability identifier: #VU106093

Vulnerability risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-27212

CWE-ID: CWE-74

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
440G TLS-Z
Hardware solutions / Firmware

Vendor: Rockwell Automation

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to incorrect access controls. A local user can reverse protections that control access to the JTAG interface and take over the device.

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

Vulnerable software versions

440G TLS-Z: 6.001

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-25-084-03

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.