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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-14301
• https://bugzilla.redhat.com/show_bug.cgi?id=1848640
• https://security.netapp.com/advisory/ntap-20210629-0007/