Information disclosure in Unitronics Vision Series PLCs

1) Storing passwords in a recoverable format

EUVDB-ID: #VU88831

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-2024-1480

CWE-ID: CWE-257 - Storing Passwords in a Recoverable Format

Exploit availability: No

Description

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

The vulnerability exists due to storing passwords in a recoverable format. A remote attacker can retrieve the "Information Mode" password in plaintext

Mitigation

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

Vulnerable software versions

Vision 230 PLC: All versions

Vision 280 PLC: All versions

Vision 290 PLC: All versions

Vision 530 PLC: All versions

Vision 120 PLC: All versions

CPE2.3

• cpe:2.3:h:unitronics:vision_230_plc:*:*:*:*:*:*:*:*
• cpe:2.3:h:unitronics:vision_280_plc:*:*:*:*:*:*:*:*
• cpe:2.3:h:unitronics:vision_290_plc:*:*:*:*:*:*:*:*
• cpe:2.3:h:unitronics:vision_530_plc:*:*:*:*:*:*:*:*
• cpe:2.3:h:unitronics:vision_120_plc:*:*:*:*:*:*:*:*

External links

https://www.cisa.gov/news-events/ics-advisories/icsa-24-109-01

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.