An Improper Check for Unusual or Exceptional Conditions vulnerability in the packetIO daemon of Juniper Networks Junos OS Evolved on PTX10003, PTX10004, and PTX10008 allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). Continued receipt of these crafted packets will cause a sustained Denial of Service condition. This issue affects Juniper Networks Junos OS Evolved all versions prior to 20.4R2-S3-EVO on PTX10003, PTX10004, and PTX10008. This issue does not affect: Juniper Networks Junos OS Evolved versions 21.1R1-EVO and above; Juniper Networks Junos OS.
| Software | From | Fixed in |
|---|---|---|
| juniper / junos_os_evolved | - | 20.4 |
| juniper / junos_os_evolved | 20.4-r1 | 20.4-r1.x |
| juniper / junos_os_evolved | 20.4-r1-s1 | 20.4-r1-s1.x |
| juniper / junos_os_evolved | 20.4-r1-s2 | 20.4-r1-s2.x |
| juniper / junos_os_evolved | 20.4-r2 | 20.4-r2.x |
| juniper / junos_os_evolved | 20.4-r2-s1 | 20.4-r2-s1.x |
| juniper / junos_os_evolved | 20.4-r2-s2 | 20.4-r2-s2.x |