What’s Vulnerable › Vulnerabilities

CVE-2021-27003

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-12 · updated 2026-06-17
• Weakness: CWE-1021

Description

Clustered Data ONTAP versions prior to 9.5P18, 9.6P15, 9.7P14, 9.8P5 and 9.9.1 are missing an X-Frame-Options header which could allow a clickjacking attack.

Affected products

• Clustered Data ONTAP: before 9.5; 9.5, 9.5-p12, 9.5-p13, 9.5-p6, 9.5-p8, 9.5-p9 (+9) — fixed in 9.5

How to fix

Upgrade to a fixed version: Clustered Data ONTAP 9.5. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20211012-0001/
• https://security.netapp.com/advisory/ntap-20211012-0001/

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