CVE-2014-2109

7.8 · HIGH

Published Mar 27, 2014 cisco CWE-20 EPSS 2.24% (82th pctl) AV:N/AC:L/Au:N/C:N/I:N/A:C

Overview

CVE-2014-2109 is a high-severity vulnerability affecting cisco ios. It was published on March 27, 2014 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

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.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status

References

Ref tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat Ref www.securityfocus.com/bid/66470 Ref tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat Ref www.securityfocus.com/bid/66470

Frequently Asked Questions

What is CVE-2014-2109?

CVE-2014-2109 is a high-severity vulnerability affecting cisco ios. It was published on March 27, 2014 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2014-2109?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-2109?

How can CyberStrike help with CVE-2014-2109?

CyberStrike's AI-powered security agents can automatically detect CVE-2014-2109 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.