What’s Vulnerable › Vulnerabilities

CVE-2023-28373: FlashArray SafeMode Immutable Vulnerability

• Severity: low (CVSS 2.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-03 · updated 2026-06-17

Description

A flaw exists in FlashArray Purity whereby an array administrator by configuring an external key manager can affect the availability of data on the system including snapshots protected by SafeMode.

Affected products

• PureStorage Purity//Fa: from 6.1.0 through 6.1.22; from 6.2.0 through 6.2.15; from 6.3.0 through 6.3.6; 6.4.0

References

• https://support.purestorage.com/Employee_Handbooks/Technical_Services/PSIRT/Security_Bulletin_for_FlashArray_SafeMode_Immutable_Vulnerability_CVE-2023-28373
• https://support.purestorage.com/Employee_Handbooks/Technical_Services/PSIRT/Security_Bulletin_for_FlashArray_SafeMode_Immutable_Vulnerability_CVE-2023-28373

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