Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2012-4620

7.8 · HIGH

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE…

Published Sep 27, 2012ciscoCWE-399EPSS 2.75%

Overview

CVE-2012-4620 is a high-severity vulnerability affecting cisco 10008_router. It was published on September 27, 2012 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

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.

Remediation

Check the references section for vendor advisories and patches from cisco. Update 10008_router 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

VendorProductVersionsStatus

References

Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnelsRefwww.securityfocus.com/bid/55696Refwww.securitytracker.com/id?1027578Refexchange.xforce.ibmcloud.com/vulnerabilities/78883Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnelsRefwww.securityfocus.com/bid/55696Refwww.securitytracker.com/id?1027578Refexchange.xforce.ibmcloud.com/vulnerabilities/78883

How CyberStrike helps

Frequently asked questions

What is CVE-2012-4620?

CVE-2012-4620 is a high-severity vulnerability affecting cisco 10008_router. It was published on September 27, 2012 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2012-4620?

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-2012-4620?

Check the references section for vendor advisories and patches from cisco. Update 10008_router 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.

How can CyberStrike help with CVE-2012-4620?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-4620 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2012

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999