Vulnerability in Espressif Esp32

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code ex…

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28139?
CVE-2021-28139 is a high-severity vulnerability in Espressif Esp32. CVSS score: 8.8/10. Published 2021-09-07.
How severe is CVE-2021-28139?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-28139 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.