An Unchecked Return Value to NULL Pointer Dereference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On SRX Series if Unified Threat Management (UTM) Enhanced Content Filtering (CF) and AntiVirus (AV) are enabled together and the system processes specific valid transit traffic the Packet Forwarding Engine (PFE) will crash and restart. This issue affects Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 21.4R1.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HJuniper Junos
OSJuniper21.4Juniper Srx1500
HWJuniperwszystkie wersjeJuniper Srx4100
HWJuniperwszystkie wersjeJuniper Srx4200
HWJuniperwszystkie wersjeJuniper Srx4600
HWJuniperwszystkie wersjeJuniper Srx5400
HWJuniperwszystkie wersjeJuniper Srx550
HWJuniperwszystkie wersjeJuniper Srx5600
HWJuniperwszystkie wersjeJuniper Srx5800
HWJuniperwszystkie wersje
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