SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-8370

Weakly encrypted passwords are transmitted to a MELSEC-Q PLC.

HIGH 7.5EPSS 1.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all versions, QJ71E71-B5, all versions, and QJ71E71-B2, all versions. Weakly encrypted passwords are transmitted to a MELSEC-Q PLC.

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
1.31% probability · 69th percentile
CISA KEV
Not listed
Weakness
CWE-327
Affected
mitsubishielectric/qj71e71-100 firmware · mitsubishielectric/qj71e71-b5 firmware · mitsubishielectric/qj71e71-b2 firmware
Source
ics-cert@hq.dhs.gov

References

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