Multiple vulnerabilities in Emerson PACSystem and Fanuc

1) Cleartext transmission of sensitive information

EUVDB-ID: #VU91265

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-30263

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. An attacker with physical access can intercept and modify an active connection to gain access to sensitive data.

Mitigation

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

Vulnerable software versions

PAC Machine Edition: All versions

PACSystem RXi: All versions

PACSystem RX3i: All versions

PACSystem RSTi-EP: All versions

PACSystem VersaMax: All versions

Fanuc VersaMax: All versions

CPE2.3

• cpe:2.3:a:emerson:pac_machine_edition:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rxi:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rx3i:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rsti-ep:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_versamax:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:fanuc_versamax:*:*:*:*:*:*:*:*

External links

https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-01

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Download of code without integrity check

EUVDB-ID: #VU91268

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-30265

CWE-ID: CWE-494 - Download of Code Without Integrity Check

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:emerson:pac_machine_edition:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rx3i:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rsti-ep:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_versamax:*:*:*:*:*:*:*:*

External links

https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-01

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.

3) Insufficient verification of data authenticity

EUVDB-ID: #VU91271

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/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-2022-30268

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to insufficient verification of data authenticity in the Winloader utility. An authenticated attacker can push malicious firmware images to the controller and execute arbitrary code on the target system.

Mitigation

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

Vulnerable software versions

PACSystem RXi: All versions

PACSystem RX3i: All versions

PACSystem RSTi-EP: All versions

Fanuc VersaMax: All versions

CPE2.3

• cpe:2.3:a:emerson:pacsystem_rxi:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rx3i:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rsti-ep:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:fanuc_versamax:*:*:*:*:*:*:*:*

External links

https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-01

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

4) Insufficiently protected credentials

EUVDB-ID: #VU91272

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-30266

CWE-ID: CWE-522 - Insufficiently Protected Credentials

Exploit availability: No

Description

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

The vulnerability exists due to the affected product uses a simple hashing scheme by client-side JavaScript. An attacker with physical access can gain access to sensitive information on the system.

Mitigation

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

Vulnerable software versions

PACSystem RXi: All versions

PACSystem RSTi-EP: All versions

Fanuc VersaMax: All versions

CPE2.3

• cpe:2.3:a:emerson:pacsystem_rxi:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:pacsystem_rsti-ep:*:*:*:*:*:*:*:*
• cpe:2.3:a:emerson:fanuc_versamax:*:*:*:*:*:*:*:*

External links

https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-01

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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