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Cisco Bug: CSCur59696 - Vulnerability in (shell) can be used to crash the device

Last Modified

Sep 14, 2019

Products (170)

  • Cisco IOS
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 3560X-48U-S Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 2960S-F48FPS-L Switch
  • Cisco Catalyst 3750V2-24FS Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
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Known Affected Releases


Description (partial)

On a device with the IOS Shell enabled, a unprivileged user can create a script that will crash the router. The user can repeat this procedure in
order to cause a service outage or denial of service. 
The IOS Shell must be available to the user through the command ''terminal shell''.

Related Community Discussions

<key>CSCur59696</key> - Vulnerability in and40;shell
Is IOS version 12.2(58)SE1 affected by this bug, or is it assumed that anything earlier than 15.0(2)SE6 is also affected?
Latest activity: Feb 18, 2015
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Related Community Discussions
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