Cyber Resilience

CVE-2023-35818

Medium

Published: 17 July 2023

Published
17 July 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0012 30.3th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-35818 is a medium-severity an unspecified weakness vulnerability in Espressif Esp32-D0Wd-V3 Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 30.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

espressif
esp32-d0wd-v3 firmware
3.0, 3.1
espressif
esp32-d0wdr2-v3 firmware
3.0, 3.1
espressif
esp32-u4wdh firmware
3.0, 3.1
espressif
esp32-pico-v3 firmware
3.0, 3.1
espressif
esp32-pico-v3-02 firmware
3.0, 3.1
espressif
esp32-pico-d4 firmware
3.0, 3.1
espressif
esp32-wroom-32e firmware
3.0, 3.1
espressif
esp32-wroom-32ue firmware
3.0, 3.1
espressif
esp32-wroom-da firmware
3.0, 3.1
espressif
esp32-wrover-e firmware
3.0, 3.1
+12 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References