critical
10
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<=4.0
Moxa PT-7528-24TX-HV Firmware
Moxa PT-7528-24TX-HV<=4.0
Moxa PT-7528-24TX-HV
Moxa PT-7528-24TX-WV<=4.0
Moxa PT-7528-24TX-WV Firmware
Moxa PT-7528-24TX-WV Firmware<=4.0
Moxa Pt-7528-24tx-wv-hv Firmware
Moxa PT-7528-24TX-WV Firmware<=4.0
Moxa Pt-7528-24tx-wv-wv Firmware
Moxa Pt-7528-8mst-16tx-4gsfp-hv-hv Firmware<=4.0
Moxa PT-7528-12MSC-12TX-4GSFP-HV Firmware
Moxa PT-7528-12MSC-12TX-4GSFP-HV Firmware<=4.0
Moxa Pt-7528-12msc-12tx-4gsfp-hv-hv Firmware
Moxa Pt-7528-12msc-12tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-12msc-12tx-4gsfp-wv Firmware
Moxa Pt-7528-12msc-12tx-4gsfp-wv Firmware<=4.0
Moxa PT-7528-12MSC-12TX-4GSFP-WV
Moxa PT-7528-12MST-12TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-12MST-12TX-4GSFP-HV Firmware
Moxa PT-7528-12MST-12TX-4GSFP-HV Firmware<=4.0
Moxa Pt-7528-12mst-12tx-4gsfp-hv-hv Firmware
Moxa PT-7528-12MST-12TX-4GSFP-WV Firmware<=4.0
Moxa PT-7528-12MST-12TX-4GSFP-WV Firmware
Moxa PT-7528-12MST-12TX-4GSFP-WV Firmware<=4.0
Moxa PT-7528-12MST-12TX-4GSFP-WV
Moxa PT-7528-20MSC-4TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-16MSC-8TX-4GSFP-HV Firmware
Moxa PT-7528-16MSC-8TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-16MSC-8TX-4GSFP-HV
Moxa PT-7528-16MSC-8TX-4GSFP-WV-WV Firmware<=4.0
Moxa PT-7528-16MSC-8TX-4GSFP-WV Firmware
Moxa PT-7528-16MSC-8TX-4GSFP-WV<=4.0
Moxa PT-7528-16MSC-8TX-4GSFP-WV-WV Firmware
Moxa PT-7528<=4.0
Moxa Pt-7528-16mst-8tx-4gsfp-hv Firmware
Moxa PT-7528<=4.0
Moxa PT-7528
Moxa PT-7528<=4.0
Moxa PT-7528-16MST-8TX-4GSFP-WV Firmware
Moxa PT-7528<=4.0
Moxa PT-7528-16MST-8TX-4GSFP-WV
Moxa PT-7528-20MSC-4TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-20MSC-4TX-4GSFP-HV Firmware
Moxa PT-7528-20MSC-4TX-4GSFP-HV<=4.0
Moxa PT-7528-20MSC-4TX-4GSFP-HV
Moxa PT-7528-20MSC-4TX-4GSFP-WV Firmware<=4.0
Moxa PT-7528-20MSC-4TX-4GSFP-WV Firmware
Moxa Pt-7528-20msc-4tx-4gsfp-wv Firmware<=4.0
Moxa Pt-7528-20msc-4tx-4gsfp-wv Firmware
Moxa PT-7528-20MST-4TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-20MST-4TX-4GSFP-HV Firmware
Moxa PT-7528-20mst-4tx-4gsfp-hv Firmware<=4.0
Moxa PT-7528-20MST-4TX-4GSFP-HV
Moxa PT-7528-20mst-4tx-4gsfp-wv Firmware<=4.0
Moxa PT-7528-20MST-4TX-4GSFP-WV Firmware
Moxa PT-7528-20MST-4TX-4GSFP-WV Firmware<=4.0
Moxa Pt-7528-20mst-4tx-4gsfp-wv Firmware
Moxa PT-7528-8MSC-16TX-4GSFP-HV<=4.0
Moxa PT-7528-8MSC-16TX-4GSFP-HV Firmware
Moxa PT-7528-8MSC-16TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-8MSC-16TX-4GSFP-HV
Moxa PT-7528-8MST-16TX-4GSFP-WV Firmware<=4.0
Moxa PT-7528-8MSC-16TX-4GSFP-WV Firmware
Moxa PT-7528-8MSC-16TX-4GSFP-WV Firmware<=4.0
Moxa Pt-7528-8msc-16tx-4gsfp-wv-wv Firmware
Moxa Pt-7528-8mst-16tx-4gsfp-hv-hv Firmware<=4.0
Moxa PT-7528 Series
Moxa PT-7528 Firmware<=4.0
Moxa PT-7528-8MST-16TX-4GSFP-HV
Moxa PT-7528-8MST-16TX-4GSFP-WV<=4.0
Moxa PT-7528-8MST-16TX-4GSFP-WV Firmware
Moxa Pt-7528-8mst-16tx-4gsfp-wv Firmware<=4.0
Moxa PT-7528
Moxa PT-7528-8SSC-16TX-4GSFP-HV Firmware<=4.0
Moxa PT-7528-8SSC-16TX-4GSFP-HV Firmware
Moxa PT-7528-8SSC-16TX-4GSFP-WV-WV Firmware<=4.0
Moxa PT-7528-8SSC-16TX-4GSFP-WV-WV Firmware
Moxa PT-7828-F-24<=3.9
Moxa PT-7828-F-24 Firmware
Moxa PT-7828-F-24 Firmware<=3.9
Moxa PT-7828-F-24 Firmware
Moxa PT-7828-F-24 Firmware<=3.9
Moxa PT-7828-F-24-HV Firmware
Moxa PT-7828-F-48-HV Firmware<=3.9
Moxa PT-7828-F-48-HV Firmware
Moxa PT-7828-F-48-48 Firmware<=3.9
Moxa Pt-7828-f-48-48 Firmware
Moxa PT-7828-F-48-HV Firmware<=3.9
Moxa PT-7828-F-48-HV Firmware
Moxa PT-7828-F-HV-HV Firmware<=3.9
Moxa PT-7828-F-HV Firmware
Moxa PT-7828-F-HV-HV<=3.9
Moxa PT-7828-F-HV
Moxa PT-7828-R-24 Firmware<=3.9
Moxa PT-7828-R-24 Firmware
Moxa PT-7828-R-24 Firmware<=3.9
Moxa PT-7828-R-24-24 Firmware
Moxa PT-7828-R-24-HV Firmware<=3.9
Moxa PT-7828-R-24-HV Firmware
Moxa PT-7828-R-48-HV Firmware<=3.9
Moxa PT-7828-R-48-48 Firmware
Moxa PT-7828-R-48 Firmware<=3.9
Moxa PT-7828-R-48-48 Firmware
Moxa PT-7828-R-48-HV Firmware<=3.9
Moxa PT-7828-R-48-HV Firmware
Moxa Pt-7828-r-hv-hv Firmware<=3.9
Moxa PT-7828-R-HV Firmware
Moxa PT-7828-R-HV Firmware<=3.9
Moxa PT-7828-R-HV Firmware

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Reference Links

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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