CVE-2020-13822
CVSS v3
7.7
HIGH
EPSS Score
2.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.
Technical details
- Published
- 2020-06-04
Frequently asked questions
What is CVE-2020-13822?
The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.
Is CVE-2020-13822 actively exploited?
Active exploitation of CVE-2020-13822 has not been confirmed. Its EPSS score was 2.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-13822?
CVE-2020-13822 has a CVSS v3 base score of 7.7 (HIGH severity).
Is CVE-2020-13822 affecting your environment?
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