Vulnerability in Bluetooth Bluetooth_core_specification
CVE-2021-31615
Unencrypted Bluetooth Low Energy baseband links in Bluetooth Core Specifications 4.0 through 5.2 may permit an adjacent device to inject a crafted packet during the receive window of the listening device before the transmitting device init…
Vulnerability class: Race Condition
EPSS: 0.004 (31.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Bluetooth Bluetooth_core_specification
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-31615?
- CVE-2021-31615 is a medium-severity vulnerability in Bluetooth Bluetooth_core_specification, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2021-06-25.
- How severe is CVE-2021-31615?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-31615 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.