SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-25556

A CWE-287: Improper Authentication vulnerability exists that could allow a device to be compromised when a key of less than seven digits is entered and the attacker has access to the KNX installation.

HIGH 8.8EPSS 0.36%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A CWE-287: Improper Authentication vulnerability exists that could allow a device to be compromised when a key of less than seven digits is entered and the attacker has access to the KNX installation.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.36% probability · 29th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
schneider-electric/merten instabus tastermodul 1fach system m firmware · schneider-electric/merten instabus tastermodul 2fach system m firmware · schneider-electric/merten tasterschnittstelle 4fach plus firmware · schneider-electric/merten knx argus 180\/2\,20m up system firmware · schneider-electric/merten jalousie-\/schaltaktor reg-k\/8x\/16x\/10 m. hb firmware · schneider-electric/merten knx uni-dimmaktor ll reg-k\/2x230\/300 w firmware · schneider-electric/merten knx schaltakt.2x6a up m.2 eing. firmware
Source
cybersecurity@se.com

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