What is CVE-2020-17376?

CVE-2020-17376 is a high-severity vulnerability in Openstack Nova, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.3/10. Published 2020-08-26.

How severe is CVE-2020-17376?

High severity. CVSS v3 base score is 8.3 out of 10.

XXE in Openstack Nova

CVE-2020-17376

An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a soft reboot of an instance that has previously undergone live migration, a user may gain acc…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.017 (74.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Openstack Nova — versions 21.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
cve@mitre.org (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-17376?: CVE-2020-17376 is a high-severity vulnerability in Openstack Nova, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.3/10. Published 2020-08-26.
How severe is CVE-2020-17376?: High severity. CVSS v3 base score is 8.3 out of 10.