CVE-2021-3529
CVE-2021-3529 is a high-severity vulnerability in Redhat Noobaa-operator with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Redhat Noobaa-operator
- Published:
- Last modified:
Description
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 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.
Frequently asked questions
- What is CVE-2021-3529?
- 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 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.
- How severe is CVE-2021-3529?
- CVE-2021-3529 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2021-3529 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-3529?
- CVE-2021-3529 primarily affects Redhat Noobaa-operator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-3529?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-3529 published?
- CVE-2021-3529 was published on 2021-06-02 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:redhat:noobaa-operator:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
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