What is CVE-2020-15719?

CVE-2020-15719 is a medium-severity vulnerability in Mcafee Policy Auditor, classified under Improper Certificate Validation. CVSS score: 4.2/10. Published 2020-07-14.

How severe is CVE-2020-15719?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Is CVE-2020-15719 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mcafee Policy Auditor

CVE-2020-15719

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.

Vulnerability class: Improper Certificate Validation

Published 2020-07-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.025 (84.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

Public proof-of-concept exploits

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
bugs.openldap.org/show_bug.cgi (Permissions Required, Vendor Advisory)
access.redhat.com/errata/RHBA-2019:3674 (Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2020-09/msg00033.html (vendor-advisory, Mailing List, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2020-09/msg00059.html (vendor-advisory, Mailing List, Third Party Advisory)
www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
kc.mcafee.com/corporate/index (Third Party Advisory)

Frequently asked questions

What is CVE-2020-15719?: CVE-2020-15719 is a medium-severity vulnerability in Mcafee Policy Auditor, classified under Improper Certificate Validation. CVSS score: 4.2/10. Published 2020-07-14.
How severe is CVE-2020-15719?: Medium severity. CVSS v3 base score is 4.2 out of 10.
Is CVE-2020-15719 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.