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CVE-2020-20217

Description

The route process suffers from an uncontrolled resource consumption vulnerability. By sending a crafted packet, an authenticated remote user can cause a high cpu load, which may make the device respond slowly or unable to respond.

Against stable 6.46.3, the poc resulted in the high cpu load on the device.

route_high_cpu_load

Affected Version

This vulnerability was initially found in long-term 6.44.6, and was fixed in stable 6.47.

Timeline

  • 2019/12/02 - reported the vulnerability to the vendor
  • 2019/12/03 - vendor reproduced and confirmed the vulnerability
  • 2021/05/04 - CVE was assigned