CVE-2020-27212
Last modified
CVE-2020-27212 is a high-severity vulnerability rated 7/10 on the CVSS scale. STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect access control. The flash read-out protection (RDP) can be degraded from RDP level 2 (no access via debug interface) to level 1 (limited access via debug interface) by injecting a fault during the boot phase.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect access control. The flash read-out protection (RDP) can be degraded from RDP level 2 (no access via debug interface) to level 1 (limited access via debug interface) by injecting a fault during the boot phase.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| St | Stm32cubel4 Firmware | <= 1.16.0 |
References
- https://eprint.iacr.org/2021/640Third Party Advisory
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.htmlThird Party Advisory
- https://eprint.iacr.org/2021/640Third Party Advisory
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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