Vulnerability · Published Aug 31, 2020 · Assigned by mitre

CVE-2020-13594

Medium 6.5

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)0.8%top 42.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://asset-group.github.io/disclosures/sweyntooth/ x_refsource_MISC
https://asset-group.github.io/cves.html x_refsource_MISC
https://github.com/espressif/esp32-bt-lib x_refsource_MISC