CVE-2020-12663: unbound (exact versions not specified)

CVE-2020-12663 affects unbound. EPSS 0.03588 (percentile 0.89302), scored 20-Oct-2026. Fixed version: 1.6.7-1ubuntu2.3. Fixed version: 1.9.4-2ubuntu1.1.

Affected technology

unbound · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (OSV, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

OSV’s CVSS 3.1 assessment rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 22-Oct-2026 00:59 UTC

Product: unbound
CCR priority: 0.9 /100 (P5)
CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · OSV.dev
EPSS: 0.03588 · percentile 0.89355 · 2026-10-21
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-22 01:10:55.718059+00:00 UTC
OSV.dev · Source record · observed 2026-10-21 16:37:07.765749+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2020-12663.html