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Case File

CVE-2009-0635

HIGH · CVSS 7.1 EPSS 2.51%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-03-27 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2009-0635
Severity
HIGH
CVSS
7.1
EPSS
2.51%
Cisco

Original NVD Description

Memory leak in the Cisco Tunneling Control Protocol (cTCP) encapsulation feature in Cisco IOS 12.4, when an Easy VPN (aka EZVPN) server is enabled, allows remote attackers to cause a denial of service (memory consumption and device crash) via a sequence of TCP packets.