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Vulnerability details: VCID-t1vh-jvyp-vyaa
Vulnerability ID VCID-t1vh-jvyp-vyaa
Aliases CVE-2020-14967
GHSA-xxxq-chmp-67g4
Summary RSA PKCS#1 decryption vulnerability with prepending zeros in jsrsasign
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00339 https://api.first.org/data/v1/epss?cve=CVE-2020-14967
epss 0.00339 https://api.first.org/data/v1/epss?cve=CVE-2020-14967
cvssv3.1 9.8 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14967
generic_textual CRITICAL https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14967
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-xxxq-chmp-67g4
cvssv3.1 9.8 https://github.com/kjur/jsrsasign
generic_textual CRITICAL https://github.com/kjur/jsrsasign
cvssv3.1 9.8 https://github.com/kjur/jsrsasign/issues/439
generic_textual CRITICAL https://github.com/kjur/jsrsasign/issues/439
cvssv3.1 9.8 https://github.com/kjur/jsrsasign/releases/tag/8.0.17
generic_textual CRITICAL https://github.com/kjur/jsrsasign/releases/tag/8.0.17
cvssv3.1 9.8 https://github.com/kjur/jsrsasign/releases/tag/8.0.18
generic_textual CRITICAL https://github.com/kjur/jsrsasign/releases/tag/8.0.18
cvssv3.1 9.8 https://github.com/kjur/jsrsasign/security/advisories/GHSA-xxxq-chmp-67g4
cvssv3.1_qr CRITICAL https://github.com/kjur/jsrsasign/security/advisories/GHSA-xxxq-chmp-67g4
generic_textual CRITICAL https://github.com/kjur/jsrsasign/security/advisories/GHSA-xxxq-chmp-67g4
cvssv3.1 9.8 https://kjur.github.io/jsrsasign
generic_textual CRITICAL https://kjur.github.io/jsrsasign
cvssv3.1 9.8 https://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.Cipher.html#.decrypt
generic_textual CRITICAL https://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.Cipher.html#.decrypt
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-14967
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2020-14967
cvssv3.1 9.8 https://security.netapp.com/advisory/ntap-20200724-0001
generic_textual CRITICAL https://security.netapp.com/advisory/ntap-20200724-0001
cvssv3.1 9.8 https://vuldb.com/?id.157124
generic_textual CRITICAL https://vuldb.com/?id.157124
cvssv3.1 9.8 https://www.npmjs.com/package/jsrsasign
generic_textual CRITICAL https://www.npmjs.com/package/jsrsasign
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-14967
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14967
https://github.com/kjur/jsrsasign
https://github.com/kjur/jsrsasign/issues/439
https://github.com/kjur/jsrsasign/releases/tag/8.0.17
https://github.com/kjur/jsrsasign/releases/tag/8.0.18
https://kjur.github.io/jsrsasign
https://kjur.github.io/jsrsasign/
https://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.Cipher.html#.decrypt
https://security.netapp.com/advisory/ntap-20200724-0001
https://security.netapp.com/advisory/ntap-20200724-0001/
https://vuldb.com/?id.157124
https://www.npmjs.com/package/jsrsasign
CVE-2020-14967 https://nvd.nist.gov/vuln/detail/CVE-2020-14967
GHSA-xxxq-chmp-67g4 https://github.com/advisories/GHSA-xxxq-chmp-67g4
GHSA-xxxq-chmp-67g4 https://github.com/kjur/jsrsasign/security/advisories/GHSA-xxxq-chmp-67g4
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14967
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:H/I:H/A:H Found at https://github.com/kjur/jsrsasign
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:H/I:H/A:H Found at https://github.com/kjur/jsrsasign/issues/439
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:H/I:H/A:H Found at https://github.com/kjur/jsrsasign/releases/tag/8.0.17
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:H/I:H/A:H Found at https://github.com/kjur/jsrsasign/releases/tag/8.0.18
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:H/I:H/A:H Found at https://github.com/kjur/jsrsasign/security/advisories/GHSA-xxxq-chmp-67g4
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:H/I:H/A:H Found at https://kjur.github.io/jsrsasign
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:H/I:H/A:H Found at https://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.Cipher.html#.decrypt
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14967
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:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20200724-0001
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:H/I:H/A:H Found at https://vuldb.com/?id.157124
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:H/I:H/A:H Found at https://www.npmjs.com/package/jsrsasign
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 0.57045
EPSS Score 0.00339
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:26:18.362187+00:00 GHSA Importer Import https://github.com/advisories/GHSA-xxxq-chmp-67g4 38.6.0