Hard-coded Service Code Vulnerability in Moxa PT-7528 and PT-7828 Firmware
CVE-2020-6985

9.8CRITICAL

Key Information:

Vendor

Moxa
Status
Moxa Pt-7528 Series Firmware, Version 4.0 Or Lower, Pt-7828 Series Firmware, Version 3.9 Or Lower
Vendor
CVE Published:
24 March 2020

What is CVE-2020-6985?

The Moxa PT-7528 and PT-7828 series firmware contains a vulnerability where a hard-coded service code is used for console access. This design flaw can allow unauthorized access to device functions, thereby compromising the overall security posture of the systems utilizing this firmware. Users are encouraged to upgrade to the latest firmware versions to mitigate this risk and enhance device security.

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Affected Version(s)

Moxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lower Moxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lower

References

https://www.us-cert.gov/ics/advisories/icsa-20-056-03
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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