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CVE-2020-10135 (GCVE-0-2020-10135)

Vulnerability from cvelistv5 – Published: 2020-05-19 15:50 – Updated: 2024-09-17 02:57
VLAI
Title
Bluetooth devices supporting BR/EDR v5.2 and earlier are vulnerable to impersonation attacks
Summary
Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key.
Severity
5.4 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-757 - Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Assigner
References
Impacted products
Vendor Product Version CPE status
Bluetooth BR/EDR Affected: 5.2 , ≤ 5.2 (custom)
guessed Create a notification for this product.
Date Public
2020-04-14 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-21T12:11:21+00:00",
      "cve": "CVE-2020-10135",
      "id": "CVE-2020-10135",
      "initial_release_date": "2020-05-18T00:00:00+00:00",
      "product_status:fixed": "280",
      "product_status:known_affected": "126",
      "product_status:known_not_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: bluetooth: BR/EDR Bluetooth Impersonation Attacks (BIAS)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-10135.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T16:54:49Z",
      "cve": "CVE-2020-10135",
      "id": "CVE-2020-10135",
      "initial_release_date": "2023-02-15T04:00:40Z",
      "product_status:known_affected": "407",
      "product_status:known_not_affected": "21",
      "product_status:recommended": "1647",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-10135",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-10135.json",
      "version": "43"
    }
  }
}



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Taxonomy of the tags.





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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.