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Cisco Bug: CSCvi53922 - Failures loading websites using TLS 1.3 with SSL inspection enabled

Last Modified

Jan 07, 2019

Products (37)

  • Cisco Firepower Management Center
  • Cisco Firepower Management Center 2500
  • Cisco FirePOWER Appliance 8260
  • Cisco FirePOWER Appliance 8360
  • Cisco FirePOWER Appliance 8120
  • Cisco FirePOWER Appliance 7050
  • Cisco AMP 8150
  • Cisco FirePOWER Appliance 8130
  • Cisco FirePOWER Appliance 8350
  • Cisco FirePOWER Appliance 8140
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Known Affected Releases

5.4.0 6.0.0 6.1.0 6.2.0 6.2.1 6.2.2 6.2.3 6.3.0

Description (partial)

Users cannot load websites if the browser and web server use TLS 1.3. The following error is displayed in the browser:


Physical and virtual managed devices, ASA with Firepower Services devices, and physical and virtual Firepower Threat Defense devices with an SSL inspection policy.
Browser with TLS 1.3 enabled.
Web server with TLS 1.3 enabled.
Bug details contain sensitive information and therefore require a account to be viewed.

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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