SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-6563

Moxa IKS and EDS generate a predictable cookie calculated with an MD5 hash, allowing an attacker to capture the administrator's password, which could lead to a full compromise of the device.

CRITICAL 9.8EPSS 1.75%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Moxa IKS and EDS generate a predictable cookie calculated with an MD5 hash, allowing an attacker to capture the administrator's password, which could lead to a full compromise of the device.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.75% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-341, CWE-916
Affected
moxa/iks-g6824a firmware · moxa/eds-405a firmware · moxa/eds-408a firmware · moxa/eds-510a firmware
Source
ics-cert@hq.dhs.gov

References

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