Home/CVE/Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated
CVE

CVE-2020-26555

Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated

Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN.

MEDIUM · CVSS 5.4 EPSS 0.00124
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
▤

Affected Products & Versions

17
bluetooth core specification>= 1.1b and <= 5.2
fedoraproject fedoraall versions
intel ax210 firmwareall versions
intel ax201 firmwareall versions
intel ax200 firmwareall versions
intel ac 9560 firmwareall versions
intel ac 9462 firmwareall versions
intel ac 9461 firmwareall versions
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 May 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
⚑

Vendor Advisories

20
rhsaRHSA-2024:2394Low
rhsaRHSA-2024:4211Moderate
rhsaRHSA-2024:4352Low
siemens-csafSSA-770721
suse-csafSUSE-SU-2024:0141-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.cert.org/vuls/id/799380Third Party AdvisoryUS Government Resource
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NSS6CTGE4UGTJLCOZOASDR3T3SLL6QJZ/
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00520.htmlThird Party Advisory
https://www.kb.cert.org/vuls/id/799380
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