Vulnerability Monitor

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CVE-2012-4617

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.

Published

2012-09-27T00:55:00.903

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 15.2 Yes
Operating System cisco ios_xe 3.5.0s Yes
Operating System cisco ios_xe 3.5.1s Yes
Operating System cisco ios_xr 4.1 Yes
Operating System cisco ios_xr 4.1.1 Yes
Operating System cisco ios_xr 4.1.2 Yes
Operating System cisco ios_xr 4.2.0 Yes
Operating System cisco ios_xr 4.2.1 Yes
Operating System cisco ios_xr 4.2.2 Yes
References