VDB
CVE-2020-36421
CVE-2020-36421
PUBLISHED
CVSS 5.300000190734863 MEDIUM
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.
EPSS 1.54% · 73.9th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
1.54%
73.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mbedtls | 2.5.1-1ubuntu1, 2.8.0-1, 2.7.0-2 |
| Ubuntu:16.04:LTS | mbedtls | 2.2.1-2ubuntu0.2, 2.2.1-2ubuntu0.3, 2.1.2-1 |
| Ubuntu:20.04:LTS | mbedtls | 2.16.2-1, 0, 2.16.4-1ubuntu2 |
Timeline
- Jul 19, 2021 CVE Published
- Jul 20, 2021 EPSS Score
- Sep 18, 2021 EPSS Score
- Nov 17, 2021 EPSS Score
- Jan 16, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 17, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 15, 2022 EPSS Score
- Jul 15, 2022 EPSS Score
- Nov 12, 2022 EPSS Score
- Jan 11, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-36421 third-party-advisory
- https://github.com/ARMmbed/mbedtls/issues/3394 third-party-advisory
- https://bugs.gentoo.org/730752 third-party-advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0 third-party-advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7 third-party-advisory
- https://github.com/ARMmbed/mbedtls/pull/3398 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-36421 third-party-advisory