CVEvulnerability
CVE-2020-36421
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-07-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-203
Description
An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.
Affected configurations
• arm mbed tls (< 2.16.7)
• arm mbed tls (>= 2.17.0 < 2.23.0)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- https://bugs.gentoo.org/730752 Issue Tracking, Patch, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/issues/3394 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0 Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory
- https://bugs.gentoo.org/730752 Issue Tracking, Patch, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/issues/3394 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0 Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory