CVE-2012-3950

Description

The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.66% Top 30%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ips vendor advisory
http://www.securityfocus.com/bid/55695 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/78882 vdb entry
http://secunia.com/advisories/50777 third party advisory
http://www.securitytracker.com/id?1027580 vdb entry

Frequently Asked Questions

What is the severity of CVE-2012-3950?
CVE-2012-3950 has been scored as a high severity vulnerability.
How to fix CVE-2012-3950?
To fix CVE-2012-3950, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3950 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-3950 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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