Vulnerability · Published Apr 18, 2023 · Assigned by schneider
CVE-2023-25556
High 8.3
In plain English
A high-severity improper authentication in Merten INSTABUS Tastermodul 1fach System M 625199 from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.4%top 70.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Schneider Electric | Merten INSTABUS Tastermodul 1fach System M 625199 | Program Version 1.0 |
| Schneider Electric | Merten INSTABUS Tastermodul 2fach System M 625299 | Program Version 1.0 |
| Schneider Electric | Merten Tasterschnittstelle 4fach plus 670804 | Program Version 1.0Program Version 1.2 |
| Schneider Electric | Merten KNX ARGUS 180/2,20M UP SYSTEM 631725 | Program Version 1.0 |
| Schneider Electric | Merten Jalousie-/Schaltaktor REG-K/8x/16x/10 m. HB 649908 | Program Version 1.0 |
| Schneider Electric | Merten KNX Uni-Dimmaktor LL REG-K/2x230/300 W MEG6710-0002 | Program Version 1.0Program Version 1.1 |
| Schneider Electric | Merten KNX Schaltakt.2x6A UP m.2 Eing. MEG6003-0002 | Program Version 0.1 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H