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Vulnerability record · CVE-2020-14301 · published 27 May 2021

CVE-2020-14301: Redhat libvirt vulnerability

Redhat · Libvirt

An information disclosure vulnerability was found in libvirt in versions before 6.3.0. HTTP cookies used to access network-based disks were saved in the XML dump of the guest domain. This flaw allows an attacker to access potentially sensitive information in the domain configuration via the `dumpxml` command.

6.5 CVSS 3.1 Medium EPSS 1.2% · top 33.1% CWE-212 · CWE-212
6.5CVSS 3.1 base score, v2 4.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An information disclosure vulnerability was found in libvirt in versions before 6.3.0. HTTP cookies used to access network-based disks were saved in the XML dump of the guest domain. This flaw allows an attacker to access potentially sensitive information in the domain configuration via the `dumpxml` command.

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1848640 Issue TrackingPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20210629-0007/ Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1848640 Issue TrackingPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20210629-0007/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-14301), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.