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Vulnerability details: VCID-r46f-5z4c-aaag
Vulnerability ID VCID-r46f-5z4c-aaag
Aliases CVE-2020-36424
Summary An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.
Status Published
Exploitability 0.5
Weighted Severity 4.2
Risk 2.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-203 Observable Discrepancy
System Score Found at
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epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
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epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
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epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
epss 0.00121 https://api.first.org/data/v1/epss?cve=CVE-2020-36424
cvssv2 1.9 https://nvd.nist.gov/vuln/detail/CVE-2020-36424
cvssv3 4.7 https://nvd.nist.gov/vuln/detail/CVE-2020-36424
cvssv3.1 4.7 https://nvd.nist.gov/vuln/detail/CVE-2020-36424
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-36424
https://bugs.gentoo.org/740108
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36424
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/2022/12/msg00036.html
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2
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:*:*:*:*:*:*:*
CVE-2020-36424 https://nvd.nist.gov/vuln/detail/CVE-2020-36424
No exploits are available.
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36424
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36424
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36424
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 0.24805
EPSS Score 0.00057
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.