CVE-2022-30264

Name: CVE-2022-30264
Creator: NVD / NIST
Published: 2022-08-16T13:15:11.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2022-30264 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Emerson ROC and FloBoss RTU product lines through 2022-05-02 perform insecure filesystem operations. They utilize the ROC protocol (4000/TCP, 5000/TCP) for communications between a master terminal and RTUs. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

The Emerson ROC and FloBoss RTU product lines through 2022-05-02 perform insecure filesystem operations. They utilize the ROC protocol (4000/TCP, 5000/TCP) for communications between a master terminal and RTUs. Opcode 203 of this protocol allows a master terminal to transfer files to and from the flash filesystem and carrying out arbitrary file and directory read, write, and delete operations.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Emerson	Dl8000 Firmware	<= 2022-05-02
Emerson	Roc809 Firmware	< 2022-05-02
Emerson	Roc800l Firmware	<= 2022-05-02
Emerson	Fb3000 Rtu Firmware	<= 2022-05-02
Emerson	Roc827 Firmware	< 2022-05-02

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-223-04Mitigation, Third Party Advisory, US Government Resource
https://www.forescout.com/blog/Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-223-04Mitigation, Third Party Advisory, US Government Resource
https://www.forescout.com/blog/Third Party Advisory

Timeline

Published: Aug 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-30264?

How severe is CVE-2022-30264?

CVE-2022-30264 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2022-30264?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-30264?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST