Is CVE-2018-1000134 actively exploited?

No active exploitation of CVE-2018-1000134 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-1000134 be exploited remotely?

Yes. CVE-2018-1000134 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-1000134?

CVE-2018-1000134 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2018-1000134

CWE-521Published: March 16, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

UnboundID LDAP SDK version from commit 801111d8b5c732266a5dbd4b3bb0b6c7b94d7afb up to commit 8471904a02438c03965d21367890276bc25fa5a6, where the issue was reported and fixed contains an Incorrect Access Control vulnerability in process function in SimpleBindRequest class doesn't check for empty password when running in synchronous mode. commit with applied fix https://github.com/pingidentity/ldapsdk/commit/8471904a02438c03965d21367890276bc25fa5a6#diff-f6cb23b459be1ec17df1da33760087fd that can result in Ability to impersonate any valid user. This attack appear to be exploitable via Providing valid username and empty password against servers that do not do additional validation as per https://tools.ietf.org/html/rfc4513#section-5.1.1. This vulnerability appears to have been fixed in after commit 8471904a02438c03965d21367890276bc25fa5a6.

NVD Source

Technical Analysis

CVE-2018-1000134 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.