Executive Summary

Informations
Name CVE-2020-36476 First vendor Publication 2021-08-23
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:N/I:H/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/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 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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36476

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-212 Improper Cross-boundary Removal of Sensitive Data

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 32
Os 2

Sources (Detail)

Source Url
MISC https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17
MLIST https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

Alert History

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Date Informations
2024-02-02 02:17:01
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2024-02-01 12:21:14
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2023-09-05 13:11:25
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2023-09-05 01:20:50
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2023-09-02 13:10:12
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2023-09-02 01:21:07
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2023-08-12 13:15:03
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2023-08-12 01:20:24
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2023-08-11 13:08:00
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2023-08-11 01:21:02
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2023-08-06 13:06:13
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2023-08-06 01:20:13
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2023-08-04 13:06:33
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2023-08-04 01:20:31
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2023-07-14 13:06:35
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2023-07-14 01:20:21
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2023-03-29 02:09:07
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2023-03-28 12:20:34
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2023-01-11 21:27:41
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2022-12-26 09:27:27
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2022-10-11 12:59:23
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2022-10-11 01:20:07
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2022-07-13 17:27:39
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2021-11-27 00:23:08
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2021-11-23 21:23:21
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2021-08-27 05:22:50
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2021-08-23 17:22:49
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2021-08-23 09:22:49
  • First insertion