Is CVE-2020-15719 in the CISA KEV catalog?

No. CVE-2020-15719 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-15719?

CVE-2020-15719 has a CVSS v3 base score of 4.2 (MEDIUM).

What is the EPSS score for CVE-2020-15719?

CVE-2020-15719 has an EPSS score of 2.42% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-15719?

Upgrade blockchain platform to 21.1.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-15719

MEDIUMEPSS 82th pctl

4.2

CVSS v3

NVD

Description

libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

blockchain platformNVD

Affected:< 21.1.2Fixed in:21.1.2CVE-2020-15719derived from NVD

openldapNVD

Affected:< 2.4.46-10.el8Fixed in:2.4.46-10.el8CVE-2020-15719derived from NVD

policy auditorNVD

Affected:< 6.5.1Fixed in:6.5.1CVE-2020-15719derived from NVD

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

2.42%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

oracle.com

Vendor Advisory1

bugs.openldap.org

Third-Party Advisory5

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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.