CVE-2014-2109: Input Validation
First published: Thu Mar 27 2014(Updated: )
The TCP Input module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted TCP packets, aka Bug IDs CSCuh33843 and CSCuj41494.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | =12.2 | |
| Cisco IOS | =12.3 | |
| Cisco IOS | =12.4 | |
| Cisco IOS | =15.0 | |
| Cisco IOS | =15.1 | |
| Cisco IOS | =15.2 | |
| Cisco IOS | =15.3 | |
| Cisco IOS | =15.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2014-2109?
CVE-2014-2109 has a high severity rating due to its potential to cause denial of service.
How do I fix CVE-2014-2109?
To fix CVE-2014-2109, upgrade to a patched version of Cisco IOS that addresses the vulnerability.
What are the affected versions for CVE-2014-2109?
CVE-2014-2109 affects Cisco IOS versions 12.2 through 12.4 and 15.0 through 15.4.
What type of attack does CVE-2014-2109 involve?
CVE-2014-2109 involves denial of service attacks through crafted TCP packets.
Can CVE-2014-2109 cause device reloads?
Yes, CVE-2014-2109 can lead to memory consumption issues or device reloads.
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- vendor/cisco
- canonical/cisco ios
- version/cisco ios/12.2
- version/cisco ios/12.3
- version/cisco ios/12.4
- version/cisco ios/15.0
- version/cisco ios/15.1
- version/cisco ios/15.2
- version/cisco ios/15.3
- version/cisco ios/15.4