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HIGH · 7.5

CVE-2021-34173

An attacker can cause a Denial of Service and kernel panic in v4.2 and earlier versions of Espressif esp32 via a malformed beacon csa frame. The device requires a reboot to recover.

Vulnerability Description

An attacker can cause a Denial of Service and kernel panic in v4.2 and earlier versions of Espressif esp32 via a malformed beacon csa frame. The device requires a reboot to recover.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
EspressifEsp32 Firmware<= 4.2
EspressifEsp32-

References

FAQ

What is CVE-2021-34173?

CVE-2021-34173 is a vulnerability with a CVSS score of 7.5 (HIGH). An attacker can cause a Denial of Service and kernel panic in v4.2 and earlier versions of Espressif esp32 via a malformed beacon csa frame. The device requires a reboot to recover.

How severe is CVE-2021-34173?

CVE-2021-34173 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34173?

Check the references section above for vendor advisories and patch information. Affected products include: Espressif Esp32 Firmware, Espressif Esp32.