#VU65076 Missing Authentication for Critical Function in Emerson products - CVE-2022-29957

Vulnerability identifier: #VU65076

Vulnerability risk: Low

CVSSv4.0: 2.4 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-29957

CWE-ID: CWE-306

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
DeltaV M-series
Hardware solutions / Firmware
DeltaV S-series
Hardware solutions / Firmware
DeltaV P-series
Hardware solutions / Firmware
DeltaV SIS
Hardware solutions / Firmware
DeltaV CIOC IO
Hardware solutions / Firmware
DeltaV EIOC IO
Hardware solutions / Firmware
DeltaV WIOC IO
Hardware solutions / Firmware

Vendor: Emerson

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing authentication for several protocols. A remote attacker on the local network can invoke desired functionality or cause a denial of service (DoS) condition.

Mitigation
Install update from vendor's website.

Vulnerable software versions

DeltaV M-series: All versions

DeltaV S-series: All versions

DeltaV P-series: All versions

DeltaV SIS: All versions

DeltaV CIOC IO: All versions

DeltaV EIOC IO: All versions

DeltaV WIOC IO: All versions

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External links
https://ics-cert.us-cert.gov/advisories/icsa-22-181-03

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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