SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 confidential information to be disclosed.

HIGH 7.5EPSS 0.97%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 weak cryptographic algorithm, which may allow confidential information to be disclosed.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.97% probability · 60th percentile
CISA KEV
Not listed
Weakness
CWE-327
Affected
moxa/pt-7528-24tx-hv firmware · moxa/pt-7528-24tx-hv-hv firmware · moxa/pt-7528-24tx-wv firmware · moxa/pt-7528-24tx-wv-hv firmware · moxa/pt-7528-24tx-wv-wv firmware · moxa/pt-7528-12msc-12tx-4gsfp-hv firmware · moxa/pt-7528-12msc-12tx-4gsfp-hv-hv firmware · moxa/pt-7528-12msc-12tx-4gsfp-wv firmware · moxa/pt-7528-12msc-12tx-4gsfp-wv-wv firmware · moxa/pt-7528-12mst-12tx-4gsfp-hv firmware · moxa/pt-7528-12mst-12tx-4gsfp-hv-hv firmware · moxa/pt-7528-12mst-12tx-4gsfp-wv firmware · moxa/pt-7528-12mst-12tx-4gsfp-wv-wv firmware · moxa/pt-7528-16msc-8tx-4gsfp-hv firmware · moxa/pt-7528-16msc-8tx-4gsfp-hv-hv firmware · moxa/pt-7528-16msc-8tx-4gsfp-wv firmware · moxa/pt-7528-16msc-8tx-4gsfp-wv-wv firmware · moxa/pt-7528-16mst-8tx-4gsfp-hv firmware · moxa/pt-7528-16mst-8tx-4gsfp-hv-hv firmware · moxa/pt-7528-16mst-8tx-4gsfp-wv firmware · +35 more
Source
ics-cert@hq.dhs.gov

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.