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CVE-2020-14316

30
FAUCET Score

CVE-2020-14316 is a critical vulnerability affecting KubeVirt versions 0.29 and earlier, including Red Hat OpenShift Virtualization. It allows Virtual Machine Instances (VMIs) to gain unauthorized access to the host's filesystem, potentially escalating privileges to that of the VM process. With a CVSS score of 9.9 (CRITICAL), this flaw poses a severe risk to data confidentiality, integrity, and system availability, as attackers could read and modify any file on the compromised system. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.29CPE matchmatch criteria
cpe:2.3:a:kubevirt:kubevirt:*:*:*:*:*:kubernetes:*:*
1CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_virtualization:1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.9CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 79th percentile among its peer group of 1,124 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

gopatch availablevia ghsa
Product: kubevirt.io/kubevirtFixed in: 0.30.0
redhatpatch availablevia redhat_api
Product: RHEL-8-CNV-2.4Fixed in: container-native-virtualization/kubevirt-cpu-model-nfd-plugin:v2.4.0-17
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8-CNV-2.4Fixed in: container-native-virtualization/kubevirt-kvm-info-nfd-plugin:v2.4.0-18
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8-CNV-2.4Fixed in: container-native-virtualization/vm-import-controller-rhel8:v2.4.0-21
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8-CNV-2.4Fixed in: container-native-virtualization/kubevirt-cpu-node-labeller:v2.4.0-19
View patch
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Virtualization 1Fixed in: virt-launcher

Vendor Advisories (2)

goGHSA-828r-r2c8-rfw3critical

Privilege Escalation in kubevirt

Apr 24, 2024
redhatCVE-2020-14316Important

kubevirt: VMIs can be used to access host files

Jun 23, 2020

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory