Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2025-0052

FlashBlade DOS Vulnerability

High8.3EPSS 0.33%
Published
Updated
Reserved
Assigned by
PureStorage

Description

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

Scores

CVSS scores of CVE-2025-0052, by who scored it
Scored byCVSSScoreVector
PureStorageCNA (assigner)4.0High8.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0High8.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/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
EPSS (exploitation in 30 days)
0.33% · top 74% of all CVEs (5 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.3.

Weakness

Affected products

  • Pure Storage · FlashBlade

    • affected 3.3.0 – ≤ 3.3.11
    • affected 4.0.0 – ≤ 4.0.6
    • affected 4.1.0 – ≤ 4.1.20
    • affected 4.2.0 – ≤ 4.2.3
    • affected 4.3.0 – ≤ 4.3.12
    • affected 4.4.0 – ≤ 4.4.6
    • affected 4.5.0 – ≤ 4.5.2

What to do

Solution: CVE-2025-0052 is resolved in the following FlashBlade //Purity versions: * Purity//FB 4.3.13 or later * Purity//FB 4.4.7 or later * Purity//FB 4.5.3 or later or apply security-patch-fb-2025-A

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-0052 badge
[![CVE-2025-0052](https://trackcve.app/badge/CVE-2025-0052.svg)](https://trackcve.app/cve/CVE-2025-0052)

Record last updated .