How severe is CVE-2023-28372?

CVE-2023-28372 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-28372 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28372?

CVE-2023-28372 affects Purestorage Purity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28372?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-28372 published?

CVE-2023-28372 was published on 2023-10-02 and last updated on 2026-06-17.

CVE-2023-28372

CVE-2023-28372 is a medium-severity vulnerability in Purestorage Purity with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Purestorage Purity
Published: 2023-10-02
Last modified: 2026-06-17

Description

A flaw exists in FlashBlade Purity (OE) Version 4.1.0 whereby a user with privileges to extend an object’s retention period can affect the availability of the object lock.

Frequently asked questions

What is CVE-2023-28372?: A flaw exists in FlashBlade Purity (OE) Version 4.1.0 whereby a user with privileges to extend an object’s retention period can affect the availability of the object lock.
How severe is CVE-2023-28372?: CVE-2023-28372 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-28372 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28372?: CVE-2023-28372 affects Purestorage Purity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28372?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28372 published?: CVE-2023-28372 was published on 2023-10-02 and last updated on 2026-06-17.

References

https://support.purestorage.com/Pure_Storage_Technical_Services/Field_Bulletins/Security_Bulletins/Security_Bulletin_for_FlashBlade_Object_Store_Privileged_Access_Vulnerability_CVE-2023-28372

Affected products (1)

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

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