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CVE-2020-35518

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Date: March 26, 2021

When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Top Fix

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Upgrade Version

Upgrade to version 389-ds-base-1.4.3.18,389-ds-base-1.4.4.10,389-ds-base-2.0.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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