CVE-2019-17520

CVSS V2 Medium 6.1 CVSS V3 Medium 6.5
Description
The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.
Overview
  • CVE ID
  • CVE-2019-17520
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-02-10T21:51:15
  • Last Modified Date
  • 2020-02-14T18:10:28
Weakness Enumerations
CWE URL
CWE-120 http://cwe.mitre.org/data/definitions/120.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:ti:cc2640r2_software_development_kit:*:*:*:*:*:*:*:* 1 OR 3.30.00.20
cpe:2.3:h:ti:cc2640r2:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.1
  • Severity
  • MEDIUM
  • Exploitability Score
  • 6.5
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://www.ti.com/tool/LAUNCHXL-CC2640R2 Product Vendor Advisory
https://asset-group.github.io/disclosures/sweyntooth/ Third Party Advisory
https://www.youtube.com/watch?v=Iw8sIBLWE_w Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-17520
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17520
History
Created Old Value New Value Data Type Notes
2022-05-10 16:49:51 Added to TrackCVE
2022-12-04 10:56:10 2020-02-10T21:51Z 2020-02-10T21:51:15 CVE Published Date updated
2022-12-04 10:56:10 2020-02-14T18:10:28 CVE Modified Date updated
2022-12-04 10:56:10 Analyzed Vulnerability Status updated