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Vulnerability details: VCID-9qc9-jj2s-aaae
Vulnerability ID VCID-9qc9-jj2s-aaae
Aliases CVE-2020-36476
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-212 Improper Removal of Sensitive Information Before Storage or Transfer
System Score Found at
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
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epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00380 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00380 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00380 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00380 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
epss 0.00458 https://api.first.org/data/v1/epss?cve=CVE-2020-36476
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-36476
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-36476
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-36476
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-36476
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36476
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
https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2020-36476 https://nvd.nist.gov/vuln/detail/CVE-2020-36476
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36476
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36476
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36476
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.37105
EPSS Score 0.00184
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.