Information disclosure in Unitronics Vision Series PLCs

1) Storing passwords in a recoverable format

EUVDB-ID: #VU88831

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

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

External links

http://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.