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CVE-2021-3529

23
FAUCET Score

CVE-2021-3529 is a cross-site scripting (XSS) vulnerability in noobaa-core versions prior to 5.7.0, affecting Red Hat noobaa_operator and OpenShift Container Platform. This flaw allows an attacker to inject arbitrary JavaScript into an application's response by manipulating a URL name, which is then echoed unmodifed in an HTML document. Rated with a CVSS score of 7.1 (HIGH), it poses a significant risk to confidentiality, integrity, and availability, requiring user interaction for exploitation. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.7.0CPE matchmatch criteria
cpe:2.3:a:redhat:noobaa-operator:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 51st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/cephcsi-rhel8:4.8-125.01872cc.release_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/mcg-core-rhel8:5.8.0-38.e060925.5.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/mcg-rhel8-operator:5.8.0-27.4a6ca5f.5.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/ocs-must-gather-rhel8:4.8-196.a35d7d7.release_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/ocs-operator-bundle:4.8.0-5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/ocs-rhel8-operator:4.8-196.a35d7d7.release_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/rook-ceph-rhel8-operator:4.8-167.9a9db5f.release_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Storage 4.8.0 on RHEL-8Fixed in: ocs4/volume-replication-rhel8-operator:4.8-20.ab575a2.release_v0.1
View patch

Vendor Advisories (1)

redhatCVE-2021-3529Moderate

noobaa-core: Cross-site scripting vulnerability with noobaa management URL

Apr 16, 2021

References

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