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.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2020-15719)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-090503 advisory.

    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.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2020-15719)

Note that Nessus relies on the presence of the package as reported by the vendor.

According to the versions of the openldap packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A NULL pointer dereference was found in OpenLDAP server     and was fixed in openldap 2.4.55, during a request for     renaming RDNs. An unauthenticated attacker could     remotely crash the slapd process by sending a specially     crafted request, causing a Denial of     Service.(CVE-2020-25692)

  - 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.(CVE-2020-15719)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the openldap packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - 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.(CVE-2020-15719)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for openldap2 fixes the following issues :

  - bsc#1174154 - CVE-2020-15719 - This resolves an issue     with x509 SAN's falling back to CN validation in     violation of rfc6125.

This update was imported from the SUSE:SLE-15:Update update project.

This update for openldap2 fixes the following issues :

bsc#1174154 - CVE-2020-15719 - This resolves an issue with x509 SAN's falling back to CN validation in violation of rfc6125.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the openldap packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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.(CVE-2020-15719)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Type	Severity
458393	Echo: openldap: security update to 2.5.13+dfsg-5+e1	Tenable Cloud Security	Echo Local Security Checks	Local	medium
458393	Echo: openldap: security update to 2.5.13+dfsg-5+e1	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
349045	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: openldap (UTSA-2026-090503)	Nessus	Unity Linux Local Security Checks	Local	medium
223399	Linux Distros Unpatched Vulnerability : CVE-2020-15719	Nessus	Misc.	Local	medium
147522	EulerOS Virtualization 2.9.1 : openldap (EulerOS-SA-2021-1618)	Nessus	Huawei Local Security Checks	Local	medium
140971	EulerOS Virtualization for ARM 64 3.0.6.0 : openldap (EulerOS-SA-2020-2023)	Nessus	Huawei Local Security Checks	Local	medium
140687	openSUSE Security Update : openldap2 (openSUSE-2020-1459)	Nessus	SuSE Local Security Checks	Local	medium
140572	openSUSE Security Update : openldap2 (openSUSE-2020-1416)	Nessus	SuSE Local Security Checks	Local	medium
140479	SUSE SLED15 / SLES15 Security Update : openldap2 (SUSE-SU-2020:2581-1)	Nessus	SuSE Local Security Checks	Local	medium
139975	EulerOS 2.0 SP8 : openldap (EulerOS-SA-2020-1872)	Nessus	Huawei Local Security Checks	Local	medium

Detections

Analytics

CVE-2020-15719

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Tenable Plugins

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