Vulnerability in Cisco iOS
CVE-2009-0635
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 · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.025 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Cisco iOS — versions 12.4t, 12.4xz, 12.4ya
Weakness classification (CWE)
References
- www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml (Patch, Vendor Advisory)
- www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.shtml (vendor-advisory, Patch, Vendor Advisory)
- secunia.com/advisories/34438 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/34246 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/49417 (vdb-entry)
- www.securitytracker.com/id (vdb-entry)
- www.vupen.com/english/advisories/2009/0851 (vdb-entry, Vendor Advisory)