CVSS: 6.8EPSS: 0%CPEs: 66EXPL: 0CVE-2023-35818
https://notcve.org/view.php?id=CVE-2023-35818
An issue was discovered on Espressif ESP32 3.0 (ESP32_rev300 ROM) devices. An EMFI attack on ECO3 provides the attacker with a capability to influence the PC value at the CPU context level, regardless of Secure Boot and Flash Encryption status. By using this capability, the attacker can exploit another behavior in the chip to gain unauthorized access to the ROM download mode. Access to ROM download mode may be further exploited to read the encrypted flash content in cleartext format or execute stub code. • https://espressif.com https://www.espressif.com/sites/default/files/advisory_downloads/AR2023-005%20Security%20Advisory%20Concerning%20Bypassing%20Secure%20Boot%20and%20Flash%20Encryption%20Using%20EMFI%20EN.pdf •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-41104 – web_server allows OTA update without checking user defined basic auth username & password
https://notcve.org/view.php?id=CVE-2021-41104
ESPHome is a system to control the ESP8266/ESP32. Anyone with web_server enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to an issue in which `web_server` allows over-the-air (OTA) updates without checking user defined basic auth username & password. This issue is patched in version 2021.9.2. As a workaround, one may disable or remove `web_server`. ESPHome es un sistema para controlar el ESP8266/ESP32. • https://github.com/esphome/esphome/pull/2409/commits/207cde1667d8c799a197b78ca8a5a14de8d5ca1e https://github.com/esphome/esphome/releases/tag/2021.9.2 https://github.com/esphome/esphome/security/advisories/GHSA-48mj-p7x2-5jfm • CWE-306: Missing Authentication for Critical Function •
CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 1CVE-2021-34173
https://notcve.org/view.php?id=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. Un atacante puede causar una Denegación de Servicio y un pánico del kernel en versión v4.2 y versiones anteriores de Espressif esp32 por medio de un marco csa de beacon malformado. El dispositivo requiere un reinicio para recuperarse • https://github.com/E7mer https://github.com/E7mer/OWFuzz •
CVSS: 4.6EPSS: 0%CPEs: 8EXPL: 0CVE-2019-17391
https://notcve.org/view.php?id=CVE-2019-17391
An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset. Se descubrió un problema en el código ROM de la máscara de Espressif ESP32 08-06-2016 desde 0 hasta 2. La falta de mitigaciones contra fallos en el cargador de arranque de la primera etapa del chip ESP32 permite a un atacante (con acceso físico al dispositivo) leer el contenido de eFuses protegidos contra lectura, tales como el cifrado flash y las claves de arranque seguras, al inyectar un fallo en la fuente de alimentación del chip poco después del reinicio. • https://www.espressif.com/en/news/Security_Advisory_Concerning_Fault_Injection_and_eFuse_Protections • CWE-755: Improper Handling of Exceptional Conditions •