CVE-2021-34173 Denial of service in n/a
An attacker can cause a kernel panic and denial of service in Espressif ESP32 devices via a malformed beacon CSA frame, requiring a reboot to recover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34173?
CVE-2021-34173 is a high-severity denial of service vulnerability in n/a, published on 14 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-34173?
It affects 1 product.
Products include Espressif Esp32 Firmware.
How do I fix CVE-2021-34173?
No fix has been published for CVE-2021-34173 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-34173 being exploited?
There is no known exploitation of CVE-2021-34173 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wc92-3pj9-g4g4.