CWE
798
Advisory Published
Updated

CVE-2020-6985

First published: Tue Mar 24 2020(Updated: )

In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, these devices use a hard-coded service code for access to the console.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Moxa Pt-7528-24tx-hv Firmware<=4.0
Moxa Pt-7528-24tx-hv
Moxa Pt-7528-24tx-hv-hv Firmware<=4.0
Moxa Pt-7528-24tx-hv-hv
Moxa Pt-7528-24tx-wv Firmware<=4.0
Moxa Pt-7528-24tx-wv
Moxa Pt-7528-24tx-wv-hv Firmware<=4.0
Moxa Pt-7528-24tx-wv-hv
Moxa Pt-7528-24tx-wv-wv Firmware<=4.0
Moxa Pt-7528-24tx-wv-wv
Moxa Pt-7528-12msc-12tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-12msc-12tx-4gsfp-hv
Moxa Pt-7528-12msc-12tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-12msc-12tx-4gsfp-hv-hv
Moxa Pt-7528-12msc-12tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-12msc-12tx-4gsfp-wv
Moxa Pt-7528-12msc-12tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-12msc-12tx-4gsfp-wv-wv
Moxa Pt-7528-12mst-12tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-12mst-12tx-4gsfp-hv
Moxa Pt-7528-12mst-12tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-12mst-12tx-4gsfp-hv-hv
Moxa Pt-7528-12mst-12tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-12mst-12tx-4gsfp-wv
Moxa Pt-7528-12mst-12tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-12mst-12tx-4gsfp-wv-wv
Moxa Pt-7528-16msc-8tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-16msc-8tx-4gsfp-hv
Moxa Pt-7528-16msc-8tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-16msc-8tx-4gsfp-hv-hv
Moxa Pt-7528-16msc-8tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-16msc-8tx-4gsfp-wv
Moxa Pt-7528-16msc-8tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-16msc-8tx-4gsfp-wv-wv
Moxa Pt-7528-16mst-8tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-16mst-8tx-4gsfp-hv
Moxa Pt-7528-16mst-8tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-16mst-8tx-4gsfp-hv-hv
Moxa Pt-7528-16mst-8tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-16mst-8tx-4gsfp-wv
Moxa Pt-7528-16mst-8tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-16mst-8tx-4gsfp-wv-wv
Moxa Pt-7528-20msc-4tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-20msc-4tx-4gsfp-hv
Moxa Pt-7528-20msc-4tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-20msc-4tx-4gsfp-hv-hv
Moxa Pt-7528-20msc-4tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-20msc-4tx-4gsfp-wv
Moxa Pt-7528-20msc-4tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-20msc-4tx-4gsfp-wv-wv
Moxa Pt-7528-20mst-4tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-20mst-4tx-4gsfp-hv
Moxa Pt-7528-20mst-4tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-20mst-4tx-4gsfp-hv-hv
Moxa Pt-7528-20mst-4tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-20mst-4tx-4gsfp-wv
Moxa Pt-7528-20mst-4tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-20mst-4tx-4gsfp-wv-wv
Moxa Pt-7528-8msc-16tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-8msc-16tx-4gsfp-hv
Moxa Pt-7528-8msc-16tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-8msc-16tx-4gsfp-hv-hv
Moxa Pt-7528-8msc-16tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-8msc-16tx-4gsfp-wv
Moxa Pt-7528-8msc-16tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-8msc-16tx-4gsfp-wv-wv
Moxa Pt-7528-8mst-16tx-4gsfp-hv Firmware<=4.0
Moxa Pt-7528-8mst-16tx-4gsfp-hv
Moxa Pt-7528-8mst-16tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-8mst-16tx-4gsfp-hv-hv
Moxa Pt-7528-8mst-16tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-8mst-16tx-4gsfp-wv
Moxa Pt-7528-8mst-16tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-8mst-16tx-4gsfp-wv-wv
Moxa Pt-7528-8ssc-16tx-4gsfp-hv-hv Firmware<=4.0
Moxa Pt-7528-8ssc-16tx-4gsfp-hv-hv
Moxa Pt-7528-8ssc-16tx-4gsfp-wv-wv Firmware<=4.0
Moxa Pt-7528-8ssc-16tx-4gsfp-wv-wv
Moxa Pt-7828-f-24 Firmware<=3.9
Moxa Pt-7828-f-24
Moxa Pt-7828-f-24-24 Firmware<=3.9
Moxa Pt-7828-f-24-24
Moxa Pt-7828-f-24-hv Firmware<=3.9
Moxa Pt-7828-f-24-hv
Moxa Pt-7828-f-48 Firmware<=3.9
Moxa Pt-7828-f-48
Moxa Pt-7828-f-48-48 Firmware<=3.9
Moxa Pt-7828-f-48-48
Moxa Pt-7828-f-48-hv Firmware<=3.9
Moxa Pt-7828-f-48-hv
Moxa Pt-7828-f-hv Firmware<=3.9
Moxa Pt-7828-f-hv
Moxa Pt-7828-f-hv-hv Firmware<=3.9
Moxa Pt-7828-f-hv-hv
Moxa Pt-7828-r-24 Firmware<=3.9
Moxa Pt-7828-r-24
Moxa Pt-7828-r-24-24 Firmware<=3.9
Moxa Pt-7828-r-24-24
Moxa Pt-7828-r-24-hv Firmware<=3.9
Moxa Pt-7828-r-24-hv
Moxa Pt-7828-r-48 Firmware<=3.9
Moxa Pt-7828-r-48
Moxa Pt-7828-r-48-48 Firmware<=3.9
Moxa Pt-7828-r-48-48
Moxa Pt-7828-r-48-hv Firmware<=3.9
Moxa Pt-7828-r-48-hv
Moxa Pt-7828-r-hv Firmware<=3.9
Moxa Pt-7828-r-hv
Moxa Pt-7828-r-hv-hv Firmware<=3.9
Moxa Pt-7828-r-hv-hv

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Frequently Asked Questions

  • What is the severity of CVE-2020-6985?

    CVE-2020-6985 has a high severity rating due to its use of hard-coded service codes that can lead to unauthorized access to the console.

  • How do I fix CVE-2020-6985?

    To mitigate CVE-2020-6985, update the firmware for Moxa PT-7528 and PT-7828 series devices to the latest version where this vulnerability is addressed.

  • Which devices are affected by CVE-2020-6985?

    CVE-2020-6985 affects Moxa PT-7528 series firmware versions 4.0 or lower and PT-7828 series firmware versions 3.9 or lower.

  • What is the impact of CVE-2020-6985?

    The impact of CVE-2020-6985 can include unauthorized access to device configuration and management due to hard-coded service codes.

  • Is CVE-2020-6985 exploitable remotely?

    Yes, CVE-2020-6985 is considered exploitable remotely due to the vulnerabilities associated with hard-coded access codes.

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