High severity · published Mar 24, 2020
CVE-2020-6983
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, the affected products use a hard-coded cryptographic key, which increases…
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, the affected products use a hard-coded cryptographic key, which increases the possibility that confidential data can be recovered.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pt-7528-12msc-12tx-4gsfp-hv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12msc-12tx-4gsfp-hv-hv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12msc-12tx-4gsfp-wv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12msc-12tx-4gsfp-wv-wv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12mst-12tx-4gsfp-hv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12mst-12tx-4gsfp-hv-hv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12mst-12tx-4gsfp-wv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-12mst-12tx-4gsfp-wv-wv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-16msc-8tx-4gsfp-hv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-16msc-8tx-4gsfp-hv-hv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-16msc-8tx-4gsfp-wv Firmware · Moxa
through 4.0 · source: NVD
PF
Pt-7528-16msc-8tx-4gsfp-wv-wv Firmware · Moxa
through 4.0 · source: NVD
Affected product
PF
Pt-7528-12msc-12tx-4gsfp-hv Firmware
Moxa
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-6983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-6983
Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-056-03
More from Pt-7528-12msc-12tx-4gsfp-hv Firmware
9.8
CVE-2020-6995
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, the application utilizes weak password requirements, which may allow an…
9.8
CVE-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 access to the console
9.8
CVE-2020-6989
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, a buffer overflow in the web server allows remote attackers to cause a…
7.5
CVE-2020-6993
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, an attacker can gain access to sensitive information from the web service…
7.5
CVE-2020-6987
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, the affected products use a weak cryptographic algorithm, which may allow…