CVE-2017-1000256

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 77.0% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-10-31 15:00Z8 YR AGO

Last updated

2024-08-05 22:00Z2 YR AGO

Reserved

2017-10-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

2c18a9c36a63350755c32e7d6abcd263b4583bba00228512b823ef36b8f2207b

• www.redhat.com[libvirt-announce] 20171016 LSN-2017-0002 - TLS certificate verification disabled for clientshttps://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.htmlmailing-listx_refsource_MLIST
• www.mail-archive.comhttps://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.htmlx_refsource_MISC
• www.debian.orgDSA-4003http://www.debian.org/security/2017/dsa-4003vendor-advisoryx_refsource_DEBIAN
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2017-1000256x_refsource_CONFIRM