CVE-2025-0052: Pure Storage FlashBlade · Improper Input Validation
Affects Pure Storage FlashBladeSource CVE Database V5
Not known to be exploited · CVSS 8.3 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Pure Storage FlashBlade | Affected
| Fixed in– |
AI-suggested
Specific mitigation steps include: 1) Immediate inventory and identification of all Pure Storage FlashBlade systems running affected versions (3.3.0 through 4.5.0). 2) Engage with Pure Storage support to obtain any available patches or hotfixes as soon as they are released. 3) Implement network-level protections such as restricting access to the FlashBlade management interfaces to trusted IP addresses and networks using firewalls and access control lists (ACLs). 4) Monitor authentication logs and network traffic for unusual or malformed authentication attempts that could indicate exploitation attempts. 5) Employ rate limiting or throttling on authentication requests to reduce the risk of DoS conditions triggered by repeated malicious inputs. 6) Consider deploying intrusion detection/prevention systems (IDS/IPS) with signatures or heuristics tuned to detect anomalous authentication traffic patterns targeting FlashBlade devices. 7) Develop and test incident response plans specifically for storage system outages to minimize downtime and data access disruption. 8) Maintain regular backups and ensure recovery procedures are in place to mitigate the impact of potential service interruptions. These steps go beyond generic advice by focusing on network segmentation, monitoring, and proactive engagement with the vendor for patch management.
Description
Improper input validation performed during the authentication process of FlashBlade could lead to a system Denial of Service.