How severe is CVE-2023-4976?

CVE-2023-4976 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2023-4976 being actively exploited?

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

How do I fix CVE-2023-4976?

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

Does CVE-2023-4976 have an EU (EUVD) identifier?

Yes. CVE-2023-4976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54812.

When was CVE-2023-4976 published?

CVE-2023-4976 was published on 2024-07-17 and last updated on 2026-06-17.

CVE-2023-4976

CVE-2023-4976 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-269.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54812
Weakness: CWE-269
Published: 2024-07-17
Last modified: 2026-06-17

Description

A flaw exists in FlashBlade whereby a local account is permitted to authenticate to the management interface using an unintended method that allows an attacker to gain privileged access to the array.

Frequently asked questions

What is CVE-2023-4976?: A flaw exists in FlashBlade whereby a local account is permitted to authenticate to the management interface using an unintended method that allows an attacker to gain privileged access to the array.
How severe is CVE-2023-4976?: CVE-2023-4976 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2023-4976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-4976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-4976 have an EU (EUVD) identifier?: Yes. CVE-2023-4976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54812.
When was CVE-2023-4976 published?: CVE-2023-4976 was published on 2024-07-17 and last updated on 2026-06-17.

References

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