Cyber Resilience

CVE-2021-3529

High

Published: 02 June 2021

Published
02 June 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0022 45.3th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3529 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Redhat Noobaa-Operator. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 45.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A flaw was found in noobaa-core in versions before 5.7.0. This flaw results in the name of an arbitrarily URL being copied into an HTML document as plain text between tags, including potentially a payload script. The input was echoed…

more

unmodified in the application response, resulting in arbitrary JavaScript being injected into an application's response. The highest threat to the system is for confidentiality, availability, and integrity.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

redhat
noobaa-operator
≤ 5.7.0
redhat
openshift container platform
4.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References