What is CVE-2023-2638?

CVE-2023-2638 is a medium-severity vulnerability in Rockwell Automation Factorytalk System Services, classified under Improper Authentication. CVSS score: 5.9/10. Published 2023-06-13.

How severe is CVE-2023-2638?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Rockwell Automation Factorytalk System Services

CVE-2023-2638

Rockwell Automation's FactoryTalk System Services does not verify that a backup configuration archive is password protected. Improper authorization in FTSSBackupRestore.exe may lead to the loading of malicious configuration archives. This vulnerability may allow a local, authenticated non-admin user to craft a malicious backup archive, without password protection, that will be loaded by FactoryTalk System Services as a valid backup when a restore procedure takes places. User interaction is required for this vulnerability to be successfully exploited.

Vulnerability class: Broken Authentication

EPSS: 0.002 (9.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H.

Affected products

Rockwell Automation Factorytalk System Services — versions <= 6.20
Rockwellautomation Factorytalk_policy_manager — versions 6.11.0
Rockwellautomation Factorytalk_system_services — versions 6.11.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

PSIRT@rockwellautomation.com (Permissions Required, Vendor Advisory)

Frequently asked questions

What is CVE-2023-2638?: CVE-2023-2638 is a medium-severity vulnerability in Rockwell Automation Factorytalk System Services, classified under Improper Authentication. CVSS score: 5.9/10. Published 2023-06-13.
How severe is CVE-2023-2638?: Medium severity. CVSS v3 base score is 5.9 out of 10.