Is CVE-2020-13822 in the CISA KEV catalog?

No. CVE-2020-13822 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-13822?

CVE-2020-13822 has a CVSS v3 base score of 7.7 (HIGH).

What is the EPSS score for CVE-2020-13822?

CVE-2020-13822 has an EPSS score of 2.63% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-13822?

Upgrade node-elliptic on debian 11 to 6.5.3~dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-13822

HIGHEPSS 84th pctl

7.7

CVSS v3

NVD

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.

CWE-190Integer Overflow

How to fix

Remediation Available

node-ellipticDebian

Fixed in:6.5.3~dfsg-1CVE-2020-13822

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Exploit Intelligence

2.63%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory2

Other references1

medium.com

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.