CVE-2012-4617

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-09-27 · updated 2026-06-16
Weakness: CWE-20

Description

The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.

Affected products

Cisco IOS: 15.2
Cisco IOS XE: 3.5.0s, 3.5.1s
Cisco IOS XR Software: 4.1, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp
http://www.securityfocus.com/bid/55694
http://www.securitytracker.com/id?1027576
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp
http://www.securityfocus.com/bid/55694
http://www.securitytracker.com/id?1027576

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