Saturday, October 16, 2021

Juniper Junos OS: 2021-10 Security Bulletin: Junos OS: QFX5000 Series and EX4600 Series: Control traffic might be dropped if a high rate of specific multicast traffic is received (JSA11232) (CVE-2021-31370)

Description
An Incomplete List of Disallowed Inputs vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an adjacent unauthenticated attacker which sends a high rate of specific multicast traffic to cause control traffic received from the network to be dropped. This will impact control protocols (including but not limited to routing-protocols) and lead to a Denial of Service (DoS).
Solution(s)
  • juniper-junos-os-upgrade-latest


  • References
  • https://attackerkb.com/topics/cve-2021-31370
  • CVE - 2021-31370
  • JSA11232




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