CVE-2020-13594

CVSS V2 Low 3.3 CVSS V3 Medium 6.5
Description
The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.2 and earlier (for ESP32 devices) does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.
Overview
  • CVE ID
  • CVE-2020-13594
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-08-31T15:15:10
  • Last Modified Date
  • 2020-09-08T21:07:00
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* 1 OR 4.2
cpe:2.3:h:espressif:esp32:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 3.3
  • Severity
  • LOW
  • Exploitability Score
  • 6.5
  • Impact Score
  • 2.9
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
https://github.com/espressif/esp32-bt-lib Third Party Advisory
https://asset-group.github.io/disclosures/sweyntooth/ Third Party Advisory
https://asset-group.github.io/cves.html Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-13594
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13594
History
Created Old Value New Value Data Type Notes
2022-05-10 16:25:01 Added to TrackCVE
2022-12-04 21:44:20 2020-08-31T15:15Z 2020-08-31T15:15:10 CVE Published Date updated
2022-12-04 21:44:20 2020-09-08T21:07:00 CVE Modified Date updated
2022-12-04 21:44:20 Analyzed Vulnerability Status updated