Medium severity5.3NVD Advisory· Published Jul 19, 2021· Updated Jun 17, 2026

CVE-2020-36422

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Arm/MbedTLS2 versions
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*range: <2.16.7
- (no CPE)range: <2.23.0
Debian/linux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Arm/Mbed TLSdescription

Patches

Vulnerability mechanics

References

bugs.gentoo.org/730752nvdIssue TrackingPatchThird Party Advisory
github.com/ARMmbed/mbedtls/releases/tag/v2.16.7nvdRelease NotesThird Party Advisory
github.com/ARMmbed/mbedtls/releases/tag/v2.23.0nvdRelease NotesThird Party Advisory
lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlnvdMailing ListThird Party Advisory

News mentions

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cvss	0.345
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000