CVEvulnerability
CVE-2020-27212
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-74
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.
Affected configurations
• st stm32cubel4 firmware (<= 1.16.0)
Related
Weakness · CWE (1)
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
References
- https://eprint.iacr.org/2021/640 Third Party Advisory
- https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html Third Party Advisory
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.html Third Party Advisory
- https://eprint.iacr.org/2021/640 Third Party Advisory
- https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html Third Party Advisory
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.html Third Party Advisory