QID 44011

Juniper Junos is the network operating system used in Juniper Networks hardware systems.

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).

Affected Junos versions:
All versions prior to 19.1R3-S10
19.2 versions prior to 19.2R3-S7
19.3 versions prior to 19.3R3-S8
19.4 versions prior to 19.4R3-S11
20.2 versions prior to 20.2R3-S5
20.4 versions prior to 20.4R3-S6
21.1 versions prior to 21.1R3-S5
21.2 versions prior to 21.2R3-S4
21.3 versions prior to 21.3R3
21.4 versions prior to 21.4R3
22.1 versions prior to 22.1R2
QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

Successful exploitation allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).