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CVE-2020-36230

7.5 · HIGH

A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service.

Published Jan 26, 2021CWE-617EPSS 11.97%

Overview

CVE-2020-36230 is a high-severity vulnerability. It was published on January 26, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refseclists.org/fulldisclosure/2021/May/64Refseclists.org/fulldisclosure/2021/May/65Refseclists.org/fulldisclosure/2021/May/70Refbugs.openldap.org/show_bug.cgi?id=9423Refgit.openldap.org/openldap/openldap/-/commit/8c1d96ee36ed98b32cd0e28b7069c7b8ea09d793Refgit.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57Reflists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3EReflists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3EReflists.debian.org/debian-lts-announce/2021/02/msg00005.htmlRefsecurity.netapp.com/advisory/ntap-20210226-0002/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-36230?

CVE-2020-36230 is a high-severity vulnerability. It was published on January 26, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-36230?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-36230?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-36230?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-36230 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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