Vulnerability Details CVE-2021-28135
The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (crash) in ESP32 by flooding the target device with LMP Feature Response data.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 38.7%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 3.3
References
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
- https://github.com/espressif/esp-idf
- https://github.com/espressif/esp32-bt-lib
- https://www.espressif.com/en/products/socs/esp32
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
- https://github.com/espressif/esp-idf
- https://github.com/espressif/esp32-bt-lib
- https://www.espressif.com/en/products/socs/esp32
Products affected by CVE-2021-28135
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cpe:2.3:a:espressif:esp-idf:0.9
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cpe:2.3:a:espressif:esp-idf:1.0
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cpe:2.3:a:espressif:esp-idf:2.0
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cpe:2.3:a:espressif:esp-idf:2.0.0
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cpe:2.3:a:espressif:esp-idf:2.1
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cpe:2.3:a:espressif:esp-idf:2.1.1
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cpe:2.3:a:espressif:esp-idf:3.0
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cpe:2.3:a:espressif:esp-idf:3.0.1
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cpe:2.3:a:espressif:esp-idf:3.0.2
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cpe:2.3:a:espressif:esp-idf:3.0.3
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cpe:2.3:a:espressif:esp-idf:3.0.4
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cpe:2.3:a:espressif:esp-idf:3.0.5
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cpe:2.3:a:espressif:esp-idf:3.0.6
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cpe:2.3:a:espressif:esp-idf:3.0.7
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cpe:2.3:a:espressif:esp-idf:3.0.8
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cpe:2.3:a:espressif:esp-idf:3.0.9
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cpe:2.3:a:espressif:esp-idf:3.1
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cpe:2.3:a:espressif:esp-idf:3.1.1
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cpe:2.3:a:espressif:esp-idf:3.1.2
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cpe:2.3:a:espressif:esp-idf:3.1.3
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cpe:2.3:a:espressif:esp-idf:3.1.4
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cpe:2.3:a:espressif:esp-idf:3.1.5
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cpe:2.3:a:espressif:esp-idf:3.1.6
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cpe:2.3:a:espressif:esp-idf:3.1.7
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cpe:2.3:a:espressif:esp-idf:3.2
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cpe:2.3:a:espressif:esp-idf:3.2.1
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cpe:2.3:a:espressif:esp-idf:3.2.2
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cpe:2.3:a:espressif:esp-idf:3.2.3
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cpe:2.3:a:espressif:esp-idf:3.3
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cpe:2.3:a:espressif:esp-idf:3.3.1
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cpe:2.3:a:espressif:esp-idf:3.3.2
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cpe:2.3:a:espressif:esp-idf:3.3.3
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cpe:2.3:a:espressif:esp-idf:3.3.4
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cpe:2.3:a:espressif:esp-idf:4.0
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cpe:2.3:a:espressif:esp-idf:4.0.0
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cpe:2.3:a:espressif:esp-idf:4.0.1
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cpe:2.3:a:espressif:esp-idf:4.0.2
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cpe:2.3:a:espressif:esp-idf:4.0.3
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cpe:2.3:a:espressif:esp-idf:4.1
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cpe:2.3:a:espressif:esp-idf:4.1.1
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cpe:2.3:a:espressif:esp-idf:4.1.2
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cpe:2.3:a:espressif:esp-idf:4.1.3
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cpe:2.3:a:espressif:esp-idf:4.2
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cpe:2.3:a:espressif:esp-idf:4.2.1
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cpe:2.3:a:espressif:esp-idf:4.2.2
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cpe:2.3:a:espressif:esp-idf:4.2.3
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cpe:2.3:a:espressif:esp-idf:4.3
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cpe:2.3:a:espressif:esp-idf:4.3.2
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cpe:2.3:a:espressif:esp-idf:4.4