Medium severity5.3NVD Advisory· Published Mar 23, 2022· Updated Jun 17, 2026
CVE-2021-27424
CVE-2021-27424
Description
GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <8.1x
- GE/UR familyv5Range: unspecified
Patches
Vulnerability mechanics
References
2- www.cisa.gov/uscert/ics/advisories/icsa-21-075-02nvdMitigationThird Party AdvisoryUS Government Resource
- www.gegridsolutions.com/Passport/Login.aspxnvdPermissions RequiredVendor Advisory
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