CVE-2025-0051
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper input validation performed during the authentication process of FlashArray could lead to a system Denial of Service.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceImproper input validation during the authentication process in Pure Storage FlashArray allows an attacker to potentially cause a system Denial of Service. The vulnerability stems from insufficient validation of input fields during the authentication workflow.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- Authentication
- X
- User interaction
- None
- Scope
- X
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify FlashArray model and versionAccess the Pure Storage management interface (GUI or CLI) and navigate to the system information or about section. Alternatively, use the Pure Storage CLI command 'purectl show' or check the Array Management page to retrieve the firmware/software version.Affected if The installed version is earlier than the patched version for CVE-2025-0051
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Verify authentication is configuredCheck if local user authentication or directory-based authentication (such as LDAP/Active Directory) is enabled on the FlashArray. This can be viewed in the Settings > Authentication section of the management GUI or via 'pure-authn' CLI commands.Affected if Authentication methods are configured and active on the array
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Confirm management interface accessibilityDetermine if the FlashArray management interface (GUI or API) is accessible from the network. This can be verified by attempting to reach the management IP or reviewing network access policies.Affected if The management interface is reachable from any network where potential attackers could send malformed authentication requests
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Review authentication logs for anomaliesExamine the FlashArray audit logs for authentication-related events. Use the GUI logging section or run 'purelog' command filtering for authentication events to look for errors or failures around the login process.Affected if Authentication logs show input validation errors or unexpected authentication failures that could indicate exploitation attempts
A user is affected if the FlashArray runs an unpatched version and has authentication enabled/accessible, as the vulnerability requires the authentication workflow to be active for improper input validation to trigger the DoS condition.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the vendor-supplied patch for CVE-2025-0051 and ensure authentication input fields are properly validated on all FlashArray controllers.
- Consultation3.0 h
- Implementation4.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,648.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-0051 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-0051 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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