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CVE-2021-21272

25
FAUCET Score

CVE-2021-21272 is a "zip-slip" vulnerability affecting ORAS versions 0.4.0 through 0.8.0, an open-source tool for managing OCI Artifacts. This flaw allows a malicious artifact provider to craft gzipped tarballs that, when pulled by an unsuspecting user, can write or overwrite arbitrary files on the host filesystem outside the intended directory. Rated 7.7 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N), the vulnerability is easily exploitable over the network with low privileges and no user interaction, potentially leading to high integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.4.0, < 0.9.0CPE matchmatch criteria
cpe:2.3:a:deislabs:oras:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 68th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (20)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/deislabs/orasFixed in: 0.9.0
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Container Storage 4Fixed in: ocs4/ocs-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/compliance-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/file-integrity-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-console
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-operator-lifecycle-manager
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-ptp-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform Assisted Installer 1Fixed in: rhai-tech-preview/assisted-installer-agent-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform Assisted Installer 1Fixed in: rhai-tech-preview/assisted-installer-reporter-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform Assisted Installer 1Fixed in: rhai-tech-preview/assisted-installer-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/cnf-tests-rhel8
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-subscription
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-subscription-release
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicluster-monitoring-operator
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: search-collector
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Security 3Fixed in: rox
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-ansible-operator
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: endpoint-metrics-operator
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-helm-rhel9-operator

Vendor Advisories (2)

goGHSA-g5v4-5x39-vwhxhigh

Zip slip directory exploit in github.com/deislabs/oras

Feb 15, 2022
redhatCVE-2021-21272Moderate

oras: zip-slip vulnerability via oras-pull

Jan 22, 2021

References

github.com / deislabs/oras/commit/96cd90423303f1bb42bd043cb4c36085e6e91e8e
Patch
github.com / deislabs/oras/releases/tag/v0.9.0
Release Notes
github.com / deislabs/oras/security/advisories/GHSA-g5v4-5x39-vwhx
PatchVendor Advisory
pkg.go.dev / github.com/deislabs/oras/pkg/oras
Third Party Advisory