CVE-2023-30903 — HP-UX could be exploited locally to create a Denial of Service (DoS) when any ph

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
Hewlett Packard Enterprise (HPE)	HP	UX — HP-UX 11 prior to PHNE_44929

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-16T20:43:06.085Z
• Last modified: 2024-12-17T16:43:11.056Z

09References

• support.hpe.com — https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbux044…