CVE-2020-15719

Name: CVE-2020-15719
Creator: NVD / NIST
Published: 2020-07-14T14:15:17.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 2.42%

Last modified Jun 17, 2026

CVE-2020-15719 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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). EPSS estimates a 2.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.2/10

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

EPSS Probability

2.42%

82.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Openldap	Openldap	< 2.4.46-10.el8
Redhat	Enterprise Linux	8.0
Opensuse	Leap	15.1
Opensuse	Leap	15.2
Mcafee	Policy Auditor	< 6.5.1
Oracle	Blockchain Platform	< 21.1.2

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00059.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:3674Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9266Permissions Required, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1740070Issue Tracking, Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00059.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:3674Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9266Permissions Required, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1740070Issue Tracking, Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15719?

How severe is CVE-2020-15719?

CVE-2020-15719 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 2.42% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15719?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15719?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST