Vulnerability identifier: #VU91268

Vulnerability risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-30265

CWE-ID: CWE-494

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PAC Machine Edition
Server applications / Other server solutions
PACSystem RX3i
Server applications / Other server solutions
PACSystem RSTi-EP
Server applications / Other server solutions
PACSystem VersaMax
Server applications / Other server solutions

Vendor: Emerson

Description

The vulnerability allows a local user to compromise the affected system

The vulnerability exists due to the control logic downloaded to the PLC is not cryptographically authenticated. A local administrator can gain access to the the target system.

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

Vulnerable software versions

PAC Machine Edition: All versions

PACSystem RX3i: All versions

PACSystem RSTi-EP: All versions

PACSystem VersaMax: All versions

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External links
http://www.cisa.gov/news-events/ics-advisories/icsa-24-158-01

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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.