What’s Vulnerable › Vulnerabilities

CVE-2021-27001

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-19 · updated 2026-06-17

Description

Clustered Data ONTAP versions 9.x prior to 9.5P18, 9.6P16, 9.7P16, 9.8P7 and 9.9.1P2 are susceptible to a vulnerability which could allow an authenticated privileged local attacker to arbitrarily modify Compliance-mode WORM data prior to the end of the retention period.

Affected products

• Clustered Data ONTAP: from 9.0 through 9.4; 9.5, 9.5-p12, 9.5-p13, 9.5-p14, 9.5-p15, 9.5-p16 (+24)

References

• https://security.netapp.com/advisory/ntap-20211018-0001
• https://security.netapp.com/advisory/ntap-20211018-0001

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