CVE-2021-20590
7.5 · HIGHOverview
CVE-2021-20590 is a high-severity vulnerability affecting mitsubishielectric got2000_gt27_firmware. It was published on April 22, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior, GOT2000 series GT21 model GT2107-WTSD VNC server versions 01.40.000 and prior, GOT SIMPLE series GS21 model GS2110-WTBD-N VNC server versions 01.40.000 and prior and GOT SIMPLE series GS21 model GS2107-WTBD-N VNC server versions 01.40.000 and prior allows a remote unauthenticated attacker to gain unauthorized access via specially crafted packets when the "VNC server" function is used.
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update got2000_gt27_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 | got2000_gt27_firmware | 0 | Affected |
| mitsubishielectric | got2000_gt25_firmware | 0 | Affected |
| mitsubishielectric | gt2107-wtbd_firmware | 0 | Affected |
| mitsubishielectric | gt2107-wtsd_firmware | 0 | Affected |
| mitsubishielectric | gs2110-wtbd-n_firmware | 0 | Affected |
| mitsubishielectric | gs2107-wtbd-n_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-20590?
CVE-2021-20590 is a high-severity vulnerability affecting mitsubishielectric got2000_gt27_firmware. It was published on April 22, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-20590?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20590?
Check the references section for vendor advisories and patches from mitsubishielectric. Update got2000_gt27_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-2021-20590?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20590 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.
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