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Cisco Bug: CSCul25774 - Orion admin CAPTCHA bypass leads to administrator enumeration

Last Modified

Aug 06, 2018

Products (1)

  • Cisco Webex Meetings Server

Known Affected Releases

1.5

Description (partial)

Symptoms:
A vulnerability in the Admin module of Cisco WebEx Meetings Server may allow an unauthenticated, remote attacker to bypass the CAPCHA on the 
administrative login page.

The vulnerability is due to improper handling of cached values. An attacker can exploit this vulnerability by manually solving the CAPTCHA once, and 
using the manually solved CAPTCHA text in all future submissions.

Conditions:
Default installation.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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