Executive Summary

Informations
Name CVE-2020-36422 First vendor Publication 2021-07-19
Vendor Cve Last vendor Modification 2023-01-11

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36422

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-203 Information Exposure Through Discrepancy

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 32
Os 1

Sources (Detail)

Source Url
MISC https://bugs.gentoo.org/730752
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7
https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0
MLIST https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

Alert History

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Date Informations
2024-02-02 02:16:59
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2024-02-01 12:21:14
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2023-09-05 13:11:23
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2023-09-05 01:20:50
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2023-09-02 13:10:11
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2023-09-02 01:21:07
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2023-08-12 13:15:02
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2023-08-12 01:20:24
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2023-08-11 13:07:59
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2023-08-11 01:21:02
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2023-08-06 13:06:12
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2023-08-06 01:20:13
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2023-08-04 13:06:32
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2023-08-04 01:20:31
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2023-07-14 13:06:33
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2023-07-14 01:20:21
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2023-03-29 02:09:06
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2023-03-28 12:20:34
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2023-01-11 21:27:42
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2022-12-26 09:27:28
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2022-10-11 12:59:22
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2022-10-11 01:20:06
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2021-07-29 21:23:20
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2021-07-19 21:23:08
  • First insertion