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Vulnerability details: VCID-1398-xcks-eyda
Vulnerability ID VCID-1398-xcks-eyda
Aliases CVE-2020-13822
GHSA-vh7m-p724-62c2
Summary Signature Malleabillity in elliptic
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-190 Integer Overflow or Wraparound
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13822.json
epss 0.00411 https://api.first.org/data/v1/epss?cve=CVE-2020-13822
epss 0.00411 https://api.first.org/data/v1/epss?cve=CVE-2020-13822
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-vh7m-p724-62c2
cvssv3.1 7.7 https://github.com/indutny/elliptic
generic_textual HIGH https://github.com/indutny/elliptic
cvssv3.1 7.7 https://github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
generic_textual HIGH https://github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
cvssv3.1 7.7 https://github.com/indutny/elliptic/issues/226
generic_textual HIGH https://github.com/indutny/elliptic/issues/226
cvssv3.1 7.7 https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
generic_textual HIGH https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
cvssv3.1 7.7 https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
generic_textual HIGH https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
cvssv3.1 7.7 https://nvd.nist.gov/vuln/detail/CVE-2020-13822
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-13822
cvssv3.1 7.7 https://www.npmjs.com/package/elliptic
generic_textual HIGH https://www.npmjs.com/package/elliptic
cvssv3.1 7.7 https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
generic_textual HIGH https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13822.json
https://api.first.org/data/v1/epss?cve=CVE-2020-13822
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13822
https://github.com/indutny/elliptic
https://github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
https://github.com/indutny/elliptic/issues/226
https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
https://www.npmjs.com/package/elliptic
https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
1848647 https://bugzilla.redhat.com/show_bug.cgi?id=1848647
963149 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=963149
CVE-2020-13822 https://nvd.nist.gov/vuln/detail/CVE-2020-13822
GHSA-vh7m-p724-62c2 https://github.com/advisories/GHSA-vh7m-p724-62c2
RHSA-2020:4298 https://access.redhat.com/errata/RHSA-2020:4298
RHSA-2020:5533 https://access.redhat.com/errata/RHSA-2020:5533
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13822.json
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://github.com/indutny/elliptic
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://github.com/indutny/elliptic/issues/226
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13822
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://www.npmjs.com/package/elliptic
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:H/PR:N/UI:N/S:U/C:H/I:H/A:L Found at https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
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 0.61821
EPSS Score 0.00411
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:26:22.959674+00:00 GHSA Importer Import https://github.com/advisories/GHSA-vh7m-p724-62c2 38.6.0