CVE-2017-1000256
Detail
Modified After Enrichment
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
References to Advisories, Solutions, and Tools
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Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-295
Improper Certificate Validation
NIST
Change History
9 change records found show changes
CVE Modified by MITRE
6/16/2026 8:59:00 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
CVE Status Change
5/12/2026 8:24:29 PM
Action
Type
Old Value
New Value
CVE Modified by CVE
11/20/2024 10:04:30 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.debian.org/security/2017/dsa-4003
Added
Reference
https://access.redhat.com/security/cve/CVE-2017-1000256
Added
Reference
https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html
Added
Reference
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html
CVE Modified by MITRE
5/14/2024 12:12:36 AM
Action
Type
Old Value
New Value
CVE Modified by MITRE
11/06/2023 9:37:56 PM
Action
Type
Old Value
New Value
Added
Reference
MITRE https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html [No types assigned]
Removed
Reference
MITRE https://www.mail-archive.com/[email protected] /msg1556251.html
Reanalysis by NIST
11/16/2020 3:21:27 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions from (including) 2.3.0
OR
*cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions from (including) 2.3.0 up to (excluding) 3.9.0
Reanalysis by NIST
9/26/2019 5:11:06 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Removed
CVSS V3
NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed
CPE Configuration
OR
*cpe:2.3:a:libvirt_project:libvirt:2.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:2.5.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.0.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.1.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.2.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.4.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.5.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.6.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.7.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.8.0:*:*:*:*:*:*:*
OR
*cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions from (including) 2.3.0
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
http://www.debian.org/security/2017/dsa-4003 Issue Tracking, Third Party Advisory
http://www.debian.org/security/2017/dsa-4003 Third Party Advisory
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2017-1000256 Issue Tracking, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2017-1000256 Issue Tracking, Vendor Advisory
Changed
Reference Type
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html Issue Tracking, Third Party Advisory
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html Issue Tracking, Vendor Advisory
Initial Analysis by NIST
11/30/2017 10:47:25 AM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added
CWE
CWE-295
Added
CPE Configuration
OR
*cpe:2.3:a:libvirt_project:libvirt:2.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:2.5.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.0.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.1.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.2.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.4.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.5.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.6.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.7.0:*:*:*:*:*:*:*
*cpe:2.3:a:libvirt_project:libvirt:3.8.0:*:*:*:*:*:*:*
Changed
Reference Type
http://www.debian.org/security/2017/dsa-4003 No Types Assigned
http://www.debian.org/security/2017/dsa-4003 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2017-1000256 No Types Assigned
https://access.redhat.com/security/cve/CVE-2017-1000256 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://www.mail-archive.com/[email protected] /msg1556251.html No Types Assigned
https://www.mail-archive.com/[email protected] /msg1556251.html Issue Tracking, Mailing List, Third Party Advisory
Changed
Reference Type
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html No Types Assigned
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html Issue Tracking, Third Party Advisory
CVE Modified by MITRE
11/06/2017 9:29:00 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.debian.org/security/2017/dsa-4003 [No Types Assigned]
Quick Info
CVE Dictionary Entry: CVE-2017-1000256 NVD
Published Date: 10/31/2017 NVD
Last Modified: 06/16/2026
Source: MITRE