How severe is CVE-2023-4339?

CVE-2023-4339 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-4339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4339?

CVE-2023-4339 affects Broadcom Raid Controller Web Interface. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4339?

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-2023-4339 published?

CVE-2023-4339 was published on 2023-08-15 and last updated on 2026-06-17.

CVE-2023-4339

CVE-2023-4339 is a high-severity vulnerability in Broadcom Raid Controller Web Interface with a CVSS 3.x base score of 7.5. 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 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Raid Controller Web Interface
Published: 2023-08-15
Last modified: 2026-06-17

Description

Broadcom RAID Controller web interface is vulnerable to exposure of private keys used for CIM stored with insecure file permissions

Frequently asked questions

What is CVE-2023-4339?: Broadcom RAID Controller web interface is vulnerable to exposure of private keys used for CIM stored with insecure file permissions
How severe is CVE-2023-4339?: CVE-2023-4339 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-4339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4339?: CVE-2023-4339 affects Broadcom Raid Controller Web Interface. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4339?: 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-2023-4339 published?: CVE-2023-4339 was published on 2023-08-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:broadcom:raid_controller_web_interface:51.12.0-2779:*:*:*:*:*:*:*

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