CVE-2025-0052 — Improper input validation performed during the authentication process of FlashBl

Improper input validation performed during the authentication process of FlashBlade could lead to a system Denial of Service.

01What is this vulnerability?

Improper input validation performed during the authentication process of FlashBlade could lead to a system Denial of Service.

02Affected products

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-06-10T17:39:21.299Z
• Last modified: 2025-06-11T14:41:02.200Z

09References

• support.purestorage.com — https://support.purestorage.com/bundle/m_security_bulletins/page/Pure_Security/t…