VDB
CVE-2020-36422
CVE-2020-36422
PUBLISHED
CVSS 5.300000190734863 MEDIUM
An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbedtls_ecp_mul, and mbedtls_ecp_mul_restartable.
EPSS 1.26% · 67.6th 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
1.26%
67.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mbedtls | 0, 2.16.2-1, 2.16.4-1ubuntu2 |
| Ubuntu:16.04:LTS | mbedtls | 2.1.2-1, 2.2.0-1, 2.2.1-1 |
| Ubuntu:18.04:LTS | mbedtls | 2.6.0-1, 2.7.0-2, 2.8.0-1 |
Timeline
- Jul 19, 2021 CVE Published
- Jul 20, 2021 EPSS Score
- Sep 18, 2021 EPSS Score
- Nov 16, 2021 EPSS Score
- Jan 15, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 15, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 14, 2022 EPSS Score
- Jul 13, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-36422 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://www.cve.org/CVERecord?id=CVE-2020-36422 third-party-advisory