How severe is CVE-2023-30903?

CVE-2023-30903 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-30903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30903?

CVE-2023-30903 affects Hp Hp-ux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30903?

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

When was CVE-2023-30903 published?

CVE-2023-30903 was published on 2023-06-16 and last updated on 2026-06-17.

CVE-2023-30903

CVE-2023-30903 is a medium-severity vulnerability in Hp Hp-ux with a CVSS 3.x base score of 5.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Hp Hp-ux
Published: 2023-06-16
Last modified: 2026-06-17

Description

HP-UX could be exploited locally to create a Denial of Service (DoS) when any physical interface is configured with IPv6/inet6.

Frequently asked questions

What is CVE-2023-30903?: HP-UX could be exploited locally to create a Denial of Service (DoS) when any physical interface is configured with IPv6/inet6.
How severe is CVE-2023-30903?: CVE-2023-30903 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-30903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30903?: CVE-2023-30903 affects Hp Hp-ux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-30903 published?: CVE-2023-30903 was published on 2023-06-16 and last updated on 2026-06-17.

References

https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbux04474en_us

Affected products (1)

cpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*

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