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.
Published: 2009-03-27
Score: 7.1 High
EPSS: 1.4% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2009-0638 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-08-07T04:40:05.127Z

Reserved: 2009-02-18T00:00:00.000Z

Link: CVE-2009-0635

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-03-27T16:30:02.077

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-0635

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses