CVE-2020-36424
MEDIUM
4.7
CVSS Score
Published: July 19, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:15 AM UTC
2 products affected across 2 vendorsDebian Linuxmbed TLS
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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.4%
Description
An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.7.172.17.0 ≤ v < 2.24.02.8.0 ≤ v < 2.16.8
Affected range stops below 2.16.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.24.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.7.17, so it looks safe — our inference, not a vendor statement
Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Release NotesThird Party Advisory
Source: [email protected]
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8Release NotesThird Party Advisory
Source: [email protected]
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0Release NotesThird Party Advisory
Source: [email protected]
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-203
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