CVE-2023-35981: Arubanetworks Arubaos

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code execution by sending specially crafted packets destined to the PAPI (Aruba's access point management protocol) UDP port (8211). Successful exploitation of these vulnerabilities result in the ability to execute arbitrary code as a privileged user on the underlying operating system.

Affected products

• Arubanetworks Arubaos: from 10.4.0.0, before 10.4.0.2 (fixed in 10.4.0.2)
• HP Instantos: from 6.4.0.0, before 6.4.4.8-4.2.4.22 (fixed in 6.4.4.8-4.2.4.22); from 6.5.0.0, before 6.5.4.25 (fixed in 6.5.4.25); from 8.6.0.0, before 8.6.0.21 (fixed in 8.6.0.21); from 8.10.0.0, before 8.10.0.7 (fixed in 8.10.0.7); from 8.11.0.0, before 8.11.1.1 (fixed in 8.11.1.1)

Published 2023-07-25. Last modified 2026-06-17.