Vulnerability Database

300,445

Total vulnerabilities in the database

CVE-2017-1000256

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.

  • Published: Oct 31, 2017
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-1000256
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.1
  • AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

OWASP TOP 10:

Software From Fixed in
redhat / libvirt 2.3.0 3.9.0
debian / debian_linux 9.0 9.0.x