CVE-2017-1000256

8.1 HIGH

Published: October 31, 2017 Modified: May 13, 2026

Description

libvirt version 2.3.0 and later is vulnerable to a bad default configuration of "verify-peer=no" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.debian.org/security/2017/dsa-4003

Source: cve@mitre.org

Third Party Advisory

https://access.redhat.com/security/cve/CVE-2017-1000256

Source: cve@mitre.org

Issue Tracking Vendor Advisory

https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html

Source: cve@mitre.org

https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html

Source: cve@mitre.org

Issue Tracking Vendor Advisory

http://www.debian.org/security/2017/dsa-4003

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/security/cve/CVE-2017-1000256

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Vendor Advisory

https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.1 / 10.0

EPSS (Exploit Probability)

1.7%

74th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-295

Affected Vendors

debian redhat

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