Unbound < 1.5.2 Upstream Server Trust Anchor Unspecified DNSSEC Validation Weakness

medium Nessus Plugin ID 87871
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The remote name server is affected by an unspecified DNSSEC validation weakness.


According to its self-reported version number, the remote Unbound DNS resolver is affected by an unspecified DNSSEC validation weakness that is triggered when an upstream server with different trust anchors introduces unsigned records in messages.


Upgrade to Unbound version 1.5.2 or later.

See Also


Plugin Details

Severity: Medium

ID: 87871

File Name: unbound_1_5_2.nasl

Version: 1.3

Type: remote

Family: DNS

Published: 1/12/2016

Updated: 11/15/2018

Dependencies: unbound_version.nasl

Configuration: Enable paranoid mode

Risk Information


Risk Factor: Medium

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: cpe:/a:unbound:unbound

Required KB Items: Settings/ParanoidReport, unbound/version

Patch Publication Date: 2/19/2015

Vulnerability Publication Date: 2/19/2015