How severe is CVE-2020-13822?

CVE-2020-13822 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2020-13822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13822?

CVE-2020-13822 affects Indutny Elliptic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13822 published?

CVE-2020-13822 was published on 2020-06-04 and last updated on 2026-06-17.

CVE-2020-13822

CVE-2020-13822 is a high-severity vulnerability in Indutny Elliptic with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v2: 6.8
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Indutny Elliptic
Published: 2020-06-04
Last modified: 2026-06-17

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.

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.
How severe is CVE-2020-13822?: CVE-2020-13822 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2020-13822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13822?: CVE-2020-13822 affects Indutny Elliptic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13822 published?: CVE-2020-13822 was published on 2020-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:indutny:elliptic:6.5.2:*:*:*:*:node.js:*:*

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