CVE-2020-6985
published 2020-03-24CVE-2020-6985: 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…
PriorityP354critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.65%
73.8th percentile
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.
Affected
55 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| moxa | pt-7528-12msc-12tx-4gsfp-hv-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-12msc-12tx-4gsfp-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-12msc-12tx-4gsfp-wv-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-12msc-12tx-4gsfp-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-12mst-12tx-4gsfp-hv-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-12mst-12tx-4gsfp-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-12mst-12tx-4gsfp-wv-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-12mst-12tx-4gsfp-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-16msc-8tx-4gsfp-hv-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-16msc-8tx-4gsfp-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-16msc-8tx-4gsfp-wv-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-16msc-8tx-4gsfp-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-16mst-8tx-4gsfp-hv-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-16mst-8tx-4gsfp-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-16mst-8tx-4gsfp-wv-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-16mst-8tx-4gsfp-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-20msc-4tx-4gsfp-hv-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-20msc-4tx-4gsfp-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-20msc-4tx-4gsfp-wv-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-20msc-4tx-4gsfp-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-20mst-4tx-4gsfp-hv-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-20mst-4tx-4gsfp-hv_firmware | <= 4.0 | — |
| moxa | pt-7528-20mst-4tx-4gsfp-wv-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-20mst-4tx-4gsfp-wv_firmware | <= 4.0 | — |
| moxa | pt-7528-24tx-hv-hv_firmware | <= 4.0 | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
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GHSA
GHSA-gp77-fg8q-p93m: In Moxa PT-7528 series firmware, Version 4
ghsa_unreviewed·2022-05-24
CVE-2020-6985 [HIGH] GHSA-gp77-fg8q-p93m: In Moxa PT-7528 series firmware, Version 4
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.
CISA ICS
Moxa PT-7528 and PT-7828 Series Ethernet Switches
cisa_ics·2020-02-25·CVSS 7.5
[HIGH] Moxa PT-7528 and PT-7828 Series Ethernet Switches
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Moxa PT-7528 and PT-7828 Series Ethernet Switches
Last RevisedFebruary 25, 2020
Alert CodeICSA-20-056-03
## 1. EXECUTIVE SUMMARY
- CVSS v3 10.0
- ATTENTION: Exploitable remotely/low skill level to exploit
- Vendor: Moxa
- Equipment: PT-7528 Series and PT-7828 Series
- Vulnerabilities: Stack-based Buffer Overflow, Use of a Broken or Risky Cryptographic Algorithm, Use of Hard-coded Cryptographic Key, Use of Hard-coded Credentials, Weak Password Requirements, Information Exposure
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could crash the device or
No detection rules found.
No writeups or analysis indexed.
2020-03-24
Published