FKIE_CVE-2022-46400

Vulnerability from fkie_nvd - Published: 2022-12-19 23:15 - Updated: 2025-04-17 15:15
Severity ?
5.4 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
5.4 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Summary
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) allows attackers to bypass passkey entry in legacy pairing.
References
cve@mitre.orghttps://microchip.comProduct
cve@mitre.orghttps://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploit, Technical Description, Third Party Advisory
cve@mitre.orghttps://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
cve@mitre.orghttps://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-leVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://microchip.comProduct
af854a3a-2127-422b-91ae-364da2661108https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-leVendor Advisory
Impacted products
Vendor Product Version
microchip bm78_firmware 1.43
microchip bm78 -
microchip bm83_firmware 1.43
microchip bm83 -
microchip rn4870_firmware 1.43
microchip rn4870 -
microchip rn4871_firmware 1.43
microchip rn4871 -
microchip bm70_firmware 1.43
microchip bm70 -
microchip bm71_firmware 1.43
microchip bm71 -
microchip pic_lightblue_explorer_demo_firmware 4.2_dt100112
microchip pic_lightblue_explorer_demo -
microchip is1870_firmware 1.43
microchip is1870 -
microchip is1871_firmware 1.43
microchip is1871 -
To clipboard 

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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.