Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2009-0635
- cpe:2.3:o:cisco:ios:12.4t:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.4xz:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.4ya:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-0635
0.93%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-0635
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST |
CWE ids for CVE-2009-0635
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-0635
-
http://www.securitytracker.com/id?1021895
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http://www.vupen.com/english/advisories/2009/0851
Vendor Advisory
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http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
Patch;Vendor Advisory
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http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90459.shtml
Patch;Vendor Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/49417
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http://www.securityfocus.com/bid/34246
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