FKIE_CVE-2023-25556

Vulnerability from fkie_nvd - Published: 2023-04-18 18:15 - Updated: 2026-06-17 05:41
Severity
8.3 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
cybersecurity@se.comhttps://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-045-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-045-03.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-045-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-045-03.pdfVendor Advisory
Impacted products
Vendor Product Version
schneider-electric merten_instabus_tastermodul_1fach_system_m_firmware 1.0
schneider-electric merten_instabus_tastermodul_1fach_system_m -
schneider-electric merten_instabus_tastermodul_2fach_system_m_firmware 1.0
schneider-electric merten_instabus_tastermodul_2fach_system_m -
schneider-electric merten_tasterschnittstelle_4fach_plus_firmware 1.0
schneider-electric merten_tasterschnittstelle_4fach_plus_firmware 1.2
schneider-electric merten_tasterschnittstelle_4fach_plus -
schneider-electric merten_knx_argus_180\/2\,20m_up_system_firmware 1.0
schneider-electric merten_knx_argus_180\/2\,20m_up_system -
schneider-electric merten_jalousie-\/schaltaktor_reg-k\/8x\/16x\/10_m._hb_firmware 1.0
schneider-electric merten_jalousie-\/schaltaktor_reg-k\/8x\/16x\/10_m._hb -
schneider-electric merten_knx_uni-dimmaktor_ll_reg-k\/2x230\/300_w_firmware 1.0
schneider-electric merten_knx_uni-dimmaktor_ll_reg-k\/2x230\/300_w_firmware 1.1
schneider-electric merten_knx_uni-dimmaktor_ll_reg-k\/2x230\/300_w -
schneider-electric merten_knx_schaltakt.2x6a_up_m.2_eing._firmware 0.1
schneider-electric merten_knx_schaltakt.2x6a_up_m.2_eing. -
To clipboard 

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  "lastModified": "2026-06-17T05:41:29.060",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.