CVE-2021-22746
3.9 · LOWOverview
CVE-2021-22746 is a low-severity vulnerability affecting schneider-electric triconex_model_3009_mp_firmware. It was published on May 26, 2021 and has a CVSS 3.1 base score of 3.9 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position. This CVE ID is unique from CVE-2021-22742, CVE-2021-22744, CVE-2021-22745, and CVE-2021-22747.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update triconex_model_3009_mp_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| schneider-electric | triconex_model_3009_mp_firmware | >= 11.3.0, < 11.8.0 | Affected |
| schneider-electric | tcm_4351b_firmware | >= 11.3.0, < 11.5.1 | Affected |
Frequently Asked Questions
What is CVE-2021-22746?
CVE-2021-22746 is a low-severity vulnerability affecting schneider-electric triconex_model_3009_mp_firmware. It was published on May 26, 2021 and has a CVSS 3.1 base score of 3.9 (LOW).
How severe is CVE-2021-22746?
This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-22746?
Check the references section for vendor advisories and patches from schneider-electric. Update triconex_model_3009_mp_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-22746?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-22746 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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