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CVE-2023-25556

HIGHCVSS 8.8/10EPSS 0.36%

Last modified

CVE-2023-25556 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. . EPSS estimates a 0.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.36%

27.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricMerten Instabus Tastermodul 1fach System M Firmware1.0
Schneider-ElectricMerten Instabus Tastermodul 2fach System M Firmware1.0
Schneider-ElectricMerten Tasterschnittstelle 4fach Plus Firmware1.0
Schneider-ElectricMerten Tasterschnittstelle 4fach Plus Firmware1.2
Schneider-ElectricMerten Knx Argus 180\/2\,20m Up System Firmware1.0
Schneider-ElectricMerten Jalousie-\/Schaltaktor Reg-K\/8x\/16x\/10 M. Hb Firmware1.0
Schneider-ElectricMerten Knx Uni-Dimmaktor Ll Reg-K\/2x230\/300 W Firmware1.0
Schneider-ElectricMerten Knx Uni-Dimmaktor Ll Reg-K\/2x230\/300 W Firmware1.1
Schneider-ElectricMerten Knx Schaltakt.2x6a Up M.2 Eing. Firmware0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2023-25556?
CVE-2023-25556 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2023-25556?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-25556?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST