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Vulnerability details: VCID-fua9-j1en-aaar
Vulnerability ID VCID-fua9-j1en-aaar
Aliases CVE-2020-12872
Summary yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-326 Inadequate Encryption Strength
System Score Found at
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epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2020-12872
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2020-12872
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-12872
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-12872
generic_textual Low https://sweet32.info/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-12872
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12872
https://github.com/erlyaws/yaws/blob/c0fd79f17d52628fcec527da7fa3e788c283c445/src/yaws_config.erl#L2068-L2075
https://github.com/erlyaws/yaws/issues/402
https://github.com/erlyaws/yaws/releases
https://medium.com/%40charlielabs101/cve-2020-12872-df315411aa70
https://medium.com/@charlielabs101/cve-2020-12872-df315411aa70
https://sweet32.info/
cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:*
CVE-2020-12872 https://nvd.nist.gov/vuln/detail/CVE-2020-12872
No exploits are available.
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-12872
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:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-12872
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:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-12872
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 0.36212
EPSS Score 0.00082
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.