CVE-2020-10772

HIGH

Unbound - Insufficient Control of Network Message Volume (Network Amplification)

Title source: llm
STIX 2.1

Description

An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound.

References (1)

Core 1
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1846026

Scores

CVSS v3 7.5
EPSS 0.0133
EPSS Percentile 67.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400 CWE-406
Status published
Products (1)
nlnetlabs/unbound 1.6.6-5
Published Nov 27, 2020
Tracked Since Feb 18, 2026