Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2020-36476

Date: August 22, 2021

An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtls_ssl_read to erase unused application data from memory. After conducting further research, Mend has determined that all versions of Mbed TLS up to version v2.7.18, v2.16.9, v2.25.0 are vulnerable to CVE-2020-36476.

Language: C

Severity Score

Related Resources (8)

https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8
https://security-tracker.debian.org/tracker/CVE-2020-36476
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0
https://nvd.nist.gov/vuln/detail/CVE-2020-36476
https://www.mend.io/vulnerability-database/CVE-2020-36476

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

Improper Removal of Sensitive Information Before Storage or Transfer

CWE-212

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

Do you need more information?

Contact Us