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Cisco Bug: CSCuo16987 - Cisco 7800 series IP Phones vulnerable to CVE-2014-0160 -aka Heartbleed

Last Modified

Dec 14, 2019

Products (4)

  • Cisco IP Phone 7800 Series
  • Cisco IP Phone 7841
  • Cisco IP Phone 7821
  • Cisco IP Phone 7861

Known Affected Releases


Description (partial)

Cisco Unified IP Phones 7821, 7841 and 7861 include a version of openssl that is affected by the vulnerability identified by the Common Vulnerability and Exposures (CVE) ID CVE-2014-0160.

This bug has been opened to address the potential impact on this product.

Following area/functionality impacted by this vulnerability:
- Authenticated and encrypted SIP call ; Configurable using phone security profile on CUCM
- CAPF Operation ; Configurable from CUCM device page
- TVS service for authenticating HTTPS servers or signed configuration; Can limit the exposure using HTTP service,  disabling Cross cluster Extension Mobility service, and avoiding cluster migration.
- HTTPS server/Secure Web interface ; Disabled by default on CUCM configuration
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Bug Details Include

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