VulnerabilityModified
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.
HIGH 7.5EPSS 1.47%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.47% probability · 72th percentile
- CISA KEV
- Not listed
- Affected
- espressif/esp32 firmware
- Source
- cve@mitre.org
References
- https://github.com/E7merThird Party Advisory
- https://github.com/E7mer/OWFuzzExploit, Third Party Advisory
- https://github.com/E7merThird Party Advisory
- https://github.com/E7mer/OWFuzzExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.