CVE-2020-10134

6.3 MEDIUM 0.7% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in, but needs a user to act. High risk of data exposure.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-05-19 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:47 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 6.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-05-19 16:15 UTC
Last modified: 2026-06-17 02:47 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-351
Record status: Modified

Affected

Bluetooth Core ≤ 5.2

Attack profile CVSS 3.1 · 6.3

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record