CVE-2023-3373
5.9 · MEDIUMOverview
CVE-2023-3373 is a medium-severity vulnerability affecting mitsubishielectric gt21_firmware. It was published on August 4, 2023 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions 01.49.000 and prior allows a remote unauthenticated attacker to hijack data connections (session hijacking) or prevent legitimate users from establishing data connections (to cause DoS condition) by guessing the listening port of the data connection on FTP server and connecting to it.
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update gt21_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 |
|---|---|---|---|
| mitsubishielectric | gt21_firmware | >= 0, < 01.50.000 | Affected |
| mitsubishielectric | gs21_firmware | >= 0, < 01.50.000 | Affected |
References
Frequently Asked Questions
What is CVE-2023-3373?
CVE-2023-3373 is a medium-severity vulnerability affecting mitsubishielectric gt21_firmware. It was published on August 4, 2023 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2023-3373?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-3373?
Check the references section for vendor advisories and patches from mitsubishielectric. Update gt21_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-2023-3373?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-3373 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
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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