Unscored severity · published Mar 27, 2009
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…
–
CVSS
2.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
Ios · Cisco
12.4t; 12.4xz; 12.4ya · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-0635
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-0635
Vendor Advisory
http://secunia.com/advisories/34438
Patch
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.shtml
Patch
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
www.securityfocus.com
http://www.securityfocus.com/bid/34246
www.securitytracker.com
http://www.securitytracker.com/id?1021895
Vendor Advisory
http://www.vupen.com/english/advisories/2009/0851
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