FlashBlade DOS Vulnerability
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Improper input validation performed during the authentication process of FlashBlade could lead to a system Denial of Service.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Pure Storage | FlashBlade | 3.3.0 – 3.3.11; 4.0.0 – 4.0.6; 4.1.0 – 4.1.20; 4.2.0 – 4.2.3; 4.3.0 – 4.3.12; 4.4.0 – 4.4.6; 4.5.0 – 4.5.2 | — | No fix listed | CNA |
- FlashBlade VendorPure Storage Affected 3.3.0 – 3.3.11; 4.0.0 – 4.0.6; 4.1.0 – 4.1.20; 4.2.0 – 4.2.3; 4.3.0 – 4.3.12; 4.4.0 – 4.4.6; 4.5.0 – 4.5.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-0052
- 2026-10-03 Alias added: GHSA-5w9f-hfhx-jg4h
References
More Pure Storage vulnerabilities
- TI-2024-00002 Improper authentication in Pure Storage FlashArray CVSS 3.1CRITICAL 10.0
- TI-2024-02863 A flaw exists whereby a user can make a specific call to a FlashArray endpoint allowing privilege escalation. CVSS 3.1CRITICAL 9.8
- TI-2023-04581 FlashBlade Authentication Mechanism Vulnerability CVSS 4.0CRITICAL 9.3
- TI-2024-00001 A condition exists in FlashArray Purity whereby a local account intended for initial… CVSS 3.1CRITICAL 10.0
- TI-2022-14185 Pure Storage FlashArray products running Purity//FA 6.2.0 - 6.2.3, 6.1.0 - 6.1.12, 6.0.0… CVSS 3.1CRITICAL 9.8
- TI-2025-00028 FlashArray DOS Vulnerability CVSS 4.0HIGH 8.7
Sources
- CVE-2025-0052 · CVE Program
- CVE-2025-0052 · NVD
- FIRST EPSS
- GHSA-5w9f-hfhx-jg4h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences