CVE-2021-27430

Summary

GE UR bootloader binary Version 7.00, 7.01 and 7.02 included unused hardcoded credentials. Additionally, a user with physical access to the UR IED can interrupt the boot sequence by rebooting the UR.

Affected Software

VendorProductVersion RangeStatus
GEUR bootloader binary7.00affected
GEUR bootloader binary7.01affected
GEUR bootloader binary7.02affected

Weaknesses

  • CWE-798: CWE-798 Use of Hard-coded Credentials

Workarounds

GE recommends protecting UR IED by using network defense-in-depth practices. This includes, but is not limited to, placing UR IED inside the control system network security perimeter, and having access controls, monitoring (such as an Intrusion Detection System), and other mitigating technologies in place.

GE recommends users refer to the UR Deployment guide for secure configuration of UR IED and system.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References