Vulnerability Monitor

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CVE-2012-0386

The SSHv2 implementation in Cisco IOS 12.2, 12.4, 15.0, 15.1, and 15.2 and IOS XE 2.3.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S allows remote attackers to cause a denial of service (device reload) via a crafted username in a reverse SSH login attempt, aka Bug ID CSCtr49064.

Published

2012-03-29T11:01:16.277

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-310
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 12.2 Yes
Operating System cisco ios 12.4 Yes
Operating System cisco ios 15.0 Yes
Operating System cisco ios 15.1 Yes
Operating System cisco ios 15.2 Yes
Operating System cisco ios_xe 2.3 Yes
Operating System cisco ios_xe 2.3.0 Yes
Operating System cisco ios_xe 2.3.1 Yes
Operating System cisco ios_xe 2.3.1t Yes
Operating System cisco ios_xe 2.3.2 Yes
Operating System cisco ios_xe 2.4 Yes
Operating System cisco ios_xe 2.4.0 Yes
Operating System cisco ios_xe 2.4.1 Yes
Operating System cisco ios_xe 2.4.2 Yes
Operating System cisco ios_xe 2.4.3 Yes
Operating System cisco ios_xe 2.4.4 Yes
Operating System cisco ios_xe 2.5.0 Yes
Operating System cisco ios_xe 2.5.1 Yes
Operating System cisco ios_xe 2.5.2 Yes
Operating System cisco ios_xe 2.6.0 Yes
Operating System cisco ios_xe 2.6.1 Yes
Operating System cisco ios_xe 2.6.2 Yes
Operating System cisco ios_xe 3.1.0s Yes
Operating System cisco ios_xe 3.1.0sg Yes
Operating System cisco ios_xe 3.1.1s Yes
Operating System cisco ios_xe 3.1.1sg Yes
Operating System cisco ios_xe 3.1.2s Yes
Operating System cisco ios_xe 3.1.3s Yes
Operating System cisco ios_xe 3.1.4s Yes
Operating System cisco ios_xe 3.2.0s Yes
Operating System cisco ios_xe 3.2.1s Yes
Operating System cisco ios_xe 3.2.2s Yes
Operating System cisco ios_xe 3.3.0s Yes
Operating System cisco ios_xe 3.4.0s Yes
References