CVE Vulnerability

CVE-2020-36421

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/ARMmbed/mbedtls/issues/3394 Exploit Issue Tracking
https://bugs.gentoo.org/730752 Issue Tracking Patch
https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0 Release Notes Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7 Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-07-19 05:15

Updated : 2023-01-11 05:01

NVD link : CVE-2020-36421

Mitre link : CVE-2020-36421

Products Affected
No products.
CWE
CWE-203