CVE-2023-28372: A flaw exists in FlashBlade Purity (OE) Version 4.1.0 whereby a user with privileges to extend an object’s ret

Q: How do I fix CVE-2023-28372?

purity: upgrade to newer than 4.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-28372 being exploited?

CVE-2023-28372 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-28372 affect?

CVE-2023-28372 affects purity. Severity is medium (CVSS 6.5). 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.

Q: How urgent is CVE-2023-28372?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2023-28372 is a medium-severity flaw (CVSS 6.5) affecting purity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-284
Published	2023-10-02
Last modified	2026-06-17

Publisher (CNA): Pure Storage, Inc. · Vendor: purestorage

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-02 23:15 UTCPublished CVE record published
2026-06-17 05:47 UTCUpdated Record last modified

purestorage purity UPGRADE

Affected: <= 4.1.0

Fixed in: newer than 4.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy purity || rpm -q purity || purity --version

2. UPGRADE to newer than 4.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade purity

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade purity

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-28372?

purity: upgrade to newer than 4.1.0. Exact commands for each OS are on this page.

Is CVE-2023-28372 being exploited?

CVE-2023-28372 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-28372 affect?

CVE-2023-28372 affects purity. Severity is medium (CVSS 6.5). 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 urgent is CVE-2023-28372?

Priority 34/100. No elevated risk signals yet.

Related CVEs

CVE-2023-36627 HIGH 7.7 UPGRADE A flaw exists in FlashBlade Purity whereby a user with access to an administrative account on a FlashBlade tha
CVE-2023-31042 HIGH 7.7 UPGRADE A flaw exists in FlashBlade Purity whereby an authenticated user with access to FlashBlade’s object store prot
CVE-2017-7352 MEDIUM 5.4 DOWNGRADE Stored Cross-site scripting (XSS) vulnerability in Pure Storage Purity 4.7.5 allows remote authenticated users
CVE-2002-1124 HIGH 7.2 DOWNGRADE Multiple buffer overflows in purity 1-16 allow local users to gain privileges and modify high scores tables.

References

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