EMFI Attack Vulnerability in Espressif ESP32 Devices
CVE-2023-35818

6.8MEDIUM

Key Information:

Vendor

Espressif

Status
Esp32-d0wd-v3 Firmware
Vendor
CVE Published:
17 July 2023

What is CVE-2023-35818?

An issue on Espressif ESP32 3.0 devices allows attackers to execute electromagnetic fault injection (EMFI) attacks. This vulnerability can influence the program counter value at the CPU context level, undermining both Secure Boot and Flash Encryption protections. By leveraging this influence, an attacker may access the ROM download mode, leading to potential exploitation of encrypted flash contents, exposing them in cleartext, or executing unauthorized stub code.

References

https://espressif.com
https://www.espressif.com/sites/default/files/advisory_do...

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.