Overview
- 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.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.5
- Impact score
- 3.6
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 3.3
- Impact score
- 2.9
- Exploitability score
- 6.5
- Vector string
- AV:A/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-20
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1C54B320-683C-4645-86DC-65CE4FA1EAB4",
"versionEndIncluding": "4.2"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:espressif:esp32:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D1024B06-380B-4116-B7F9-A21A03534B0C"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]