CVE-2012-3950
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.55% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/ios
- Source
- psirt@cisco.com
References
- http://secunia.com/advisories/50777
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ipsVendor Advisory
- http://www.securityfocus.com/bid/55695
- http://www.securitytracker.com/id?1027580
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78882
- http://secunia.com/advisories/50777
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ipsVendor Advisory
- http://www.securityfocus.com/bid/55695
- http://www.securitytracker.com/id?1027580
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78882
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.