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Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via a malformed packet that is not properly handled during switching from one tunnel to a second tunnel, aka Bug IDs CSCsh97579 and CSCsq31776.
Publish Date : 2009-09-28 Last Update Date : 2009-10-01
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CVSS Scores & Vulnerability Types
| Cvss Score |
6.8 |
| Confidentiality Impact |
None
(There is no impact to the confidentiality of the system.) |
| Integrity Impact |
None
(There is no impact to the integrity of the system) |
| Availability Impact |
Complete
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Single system
(The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).) |
| Gained Access |
None |
| Vulnerability Type(s) |
Denial Of Service |
| CWE ID |
CWE id is not defined for this vulnerability |
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Products Affected By CVE-2009-2872
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Number Of Affected Versions By Product
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Vendor
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Product
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Vulnerable Versions
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Cisco |
IOS |
288 |
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References For CVE-2009-2872
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Metasploit Modules Related To CVE-2009-2872
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