Vulnerability in Bluetooth Core
CVE-2020-10135
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Bluetooth Core
- Bluetooth Br/edr — versions 5.2
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.cert.org/vuls/id/647177/ (US Government Resource, Third Party Advisory, third-party-advisory)
- seclists.org/fulldisclosure/2020/Jun/5 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)
- francozappa.github.io/about-bias/ (Third Party Advisory)
- www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security… (Vendor Advisory)
- packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10135?
- CVE-2020-10135 is a medium-severity vulnerability in Bluetooth Core, classified under CWE-757. CVSS score: 5.4/10. Published 2020-05-19.
- How severe is CVE-2020-10135?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-10135 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.