5.3
MEDIUM
CVE-2020-36425
Arm Mbed TLS CRL Revocation Date Validation Vulnerability
Description

An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.

INFO

Published Date :

July 19, 2021, 5:15 p.m.

Last Modified :

Jan. 11, 2023, 5:02 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-36425 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Arm mbed_tls
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-36425.

URL Resource
https://bugs.gentoo.org/740108 Issue Tracking Patch Third Party Advisory
https://github.com/ARMmbed/mbedtls/issues/3340 Exploit Issue Tracking Third Party Advisory
https://github.com/ARMmbed/mbedtls/pull/3433 Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8 Release Notes Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0 Release Notes Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17 Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-36425 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36425 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 11, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 26, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 29, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://bugs.gentoo.org/740108 No Types Assigned https://bugs.gentoo.org/740108 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/ARMmbed/mbedtls/issues/3340 No Types Assigned https://github.com/ARMmbed/mbedtls/issues/3340 Exploit, Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/ARMmbed/mbedtls/pull/3433 No Types Assigned https://github.com/ARMmbed/mbedtls/pull/3433 Third Party Advisory
    Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8 No Types Assigned https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0 No Types Assigned https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17 No Types Assigned https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17 Release Notes, Third Party Advisory
    Added CWE NIST CWE-295
    Added CPE Configuration OR *cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.17 *cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* versions from (including) 2.8.0 up to (excluding) 2.16.8 *cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* versions from (including) 2.17.0 up to (excluding) 2.24.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-36425 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-36425 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.42 }} 0.12%

score

0.74283

percentile

CVSS31 - Vulnerability Scoring System
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