Is CVE-2019-20395 in the CISA KEV catalog?

No. CVE-2019-20395 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-20395?

CVE-2019-20395 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2019-20395?

CVE-2019-20395 has an EPSS score of 1.84% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-20395?

Upgrade libyang on debian 11 to 1.0.176-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-20395

MEDIUMEPSS 76th pctl

6.5

CVSS v3

NVD

Description

A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash.

CWE-674

How to fix

Remediation Available

libyangDebian

Fixed in:1.0.176-1CVE-2019-20395

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 ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.84%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory3

Other references1

lists.debian.org

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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.