CVE-2008-4383: Alcatel Aos

High severity, CVSS 10.0. EPSS: 8.2% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the Agranet-Emweb embedded management web server in Alcatel OmniSwitch OS7000, OS6600, OS6800, OS6850, and OS9000 Series devices with AoS 5.1 before 5.1.6.463.R02, 5.4 before 5.4.1.429.R01, 6.1.3 before 6.1.3.965.R01, 6.1.5 before 6.1.5.595.R01, and 6.3 before 6.3.1.966.R01 allows remote attackers to execute arbitrary code via a long Session cookie.

Affected products

• Alcatel Aos: from 5.1, before 5.1.6.463.r02 (fixed in 5.1.6.463.r02); from 5.4, before 5.4.1.429.r01 (fixed in 5.4.1.429.r01); from 6.1.3, before 6.1.3.965.r01 (fixed in 6.1.3.965.r01); from 6.1.5, before 6.1.5.595.r01 (fixed in 6.1.5.595.r01); from 6.3, before 6.3.1.966.r01 (fixed in 6.3.1.966.r01)

Published 2008-10-03. Last modified 2026-06-16.