How severe is CVE-2023-31042?

CVE-2023-31042 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-31042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31042?

CVE-2023-31042 affects Purestorage Purity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31042?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-31042 published?

CVE-2023-31042 was published on 2023-10-02 and last updated on 2026-06-17.

CVE-2023-31042

CVE-2023-31042 is a high-severity vulnerability in Purestorage Purity with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Purestorage Purity
Published: 2023-10-02
Last modified: 2026-06-17

Description

A flaw exists in FlashBlade Purity whereby an authenticated user with access to FlashBlade’s object store protocol can impact the availability of the system’s data access and replication protocols.

Frequently asked questions

What is CVE-2023-31042?: A flaw exists in FlashBlade Purity whereby an authenticated user with access to FlashBlade’s object store protocol can impact the availability of the system’s data access and replication protocols.
How severe is CVE-2023-31042?: CVE-2023-31042 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-31042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31042?: CVE-2023-31042 affects Purestorage Purity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31042?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-31042 published?: CVE-2023-31042 was published on 2023-10-02 and last updated on 2026-06-17.

References

https://support.purestorage.com/Employee_Handbooks/Technical_Services/PSIRT/Security_Bulletin_for_FlashBlade_Object_Store_Protocol_CVE-2023-31042

Affected products (1)

cpe:2.3:a:purestorage:purity:*:*:*:*:*:*:*:*

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