QID 43950

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

An Out-of-Bounds Write vulnerability in Flow Processing Daemon (flowd) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS).

Affected Junos versions:
19.2 versions prior to 19.2R3-S6
19.3 versions prior to 19.3R3-S6
19.4 versions prior to 19.4R3-S9
20.2 versions prior to 20.2R3-S5
20.3 versions prior to 20.3R3-S4
20.4 versions prior to 20.4R3-S3
21.1 versions prior to 21.1R3
21.2 versions prior to 21.2R3
21.3 versions prior to 21.3R2
21.4 versions prior to 21.4R2

NOTE:
Affected platforms: SRX Series

QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

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