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CVE-2021-34696

Severity Medium
Score 5.8/10

Summary

A vulnerability in the access control list (ACL) programming of Cisco ASR 900 and ASR 920 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect programming of hardware when an ACL is configured using a method other than the configuration CLI. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • NONE
  • NONE
  • NONE
  • NONE

References

Advisory Timeline

  • Published