CVE-2020-15719

mediumpriority · track · 18EPSS 0.025 · 85 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.50% (85th) EPSS

CVSS 4 · medium

Is it mine?

51 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedopenldap-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-0:2.4.46-10.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-debuginfo-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-debuginfo-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-debuginfo-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-debuginfo-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-clients-debuginfo-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debuginfo-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debuginfo-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debuginfo-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debuginfo-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debuginfo-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debugsource-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debugsource-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debugsource-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debugsource-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-debugsource-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-devel-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-devel-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-devel-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-devel-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-devel-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-servers-debuginfo-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-servers-debuginfo-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-servers-debuginfo-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-servers-debuginfo-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674
Fixedopenldap-servers-debuginfo-0:2.4.46-10.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHBA-2019:3674

cvss

Technical severity, 0–10. One row per scoring source.

4.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.2

v2.04mediumAV:N/AC:H/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 4.9 · impact 4.9

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.6 · impact 2.5

v3.13.9lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimaryCWE-297US

affected products (51)

Products and version ranges known to be affected.

Open Source OpenLDAPall versionscert_bundDEcpe:/a:openldap:openldap:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Splunk Splunk Enterprise <9.1.6all versionscert_bundDE
Splunk Splunk Enterprise <9.2.3all versionscert_bundDE
Splunk Splunk Enterprise <9.3.1all versionscert_bundDE
Splunk Splunk Enterprise< 9.1.6cert_bundDE
Splunk Splunk Enterprise< 9.2.3cert_bundDE
Splunk Splunk Enterprise< 9.3.1cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
mcafee policy auditor< 6.5.1nvdUScpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:*
openldap openldap< 2.4.46-10.el8nvdUScpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
opensuse leap= 15.1nvdUScpe:2.3:o:opensuse:leap:*:*:*:*:*:*:*:*
opensuse leap= 15.2nvdUScpe:2.3:o:opensuse:leap:*:*:*:*:*:*:*:*
oracle blockchain platform< 21.1.2nvdUScpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:*
redhat enterprise linux= 8.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
Bitnami openldap< 2.4.46-10.el8osvUSpkg:bitnami/openldap
openldap-0:2.4.46-10.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
openldap-0:2.4.46-10.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
openldap-0:2.4.46-10.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
openldap-0:2.4.46-10.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS

showing 20 of 51

advisories (3)

Vendor and ecosystem advisories describing this.

RHBA-2019:3674Red Hat Bug Fix Advisory: openldap bug fix and enhancement update2019-11-05csaf · redhat_csafUS
An update for the openldap module is now available for Red Hat Enterprise Linux 8.
WID-SEC-W-2024-3162OpenLDAP: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2020-09-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenLDAP ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
BIT-openldap-2020-157192024-03-06vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv redhat_csaf NVD CVE.org MITRE

published 2020-07-14modified 2026-06-17

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references (26)

External citations — patches, advisories, analysis.

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