CVE-2020-14301
libvirt: leak of sensitive cookie information via dumpxml
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 14, 2020
Updated · June 28, 2026
Description
An information disclosure vulnerability was found in libvirt. HTTP cookies used to access network-based disks were saved in the XML dump of the guest domain. This flaw could allow a malicious user with a read-only connection to access potentially sensitive information in the domain configuration via the dumpxml command.
Statement
Support for cookies for HTTP based disks was introduced in libvirt upstream version 6.2.0. Red Hat Enterprise Linux 5, 6, 7 and 8 are not affected by this issue, as they ship older versions of the libvirt package. Red Hat Enterprise Linux Advanced Virtualization 8 is the only affected product.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-212 · Improper Removal of Sensitive Information Before Storage or Transfer