CVE-2020-10134
Bluetooth devices supporting LE and specific BR/EDR implementations are vulnerable to method confusion attacks
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
Pairing in Bluetooth® Core v5.2 and earlier may permit an unauthenticated attacker to acquire credentials with two pairing devices via adjacent access when the unauthenticated user initiates different pairing methods in each peer device and an end-user erroneously completes both pairing procedures with the MITM using the confirmation number of one peer as the passkey of the other. An adjacent, unauthenticated attacker could be able to initiate any Bluetooth operation on either attacked device exposed by the enabled Bluetooth profiles. This exposure may be limited when the user must authorize certain access explicitly, but so long as a user assumes that it is the intended remote device requesting permissions, device-local protections may be weakened.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| certccCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.66% · top 48% of all CVEs (5 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
References (2)
- VU#534195 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/method-vulnerability/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-10134)Record last updated .