Juniper Networks Junos OS Security Vulnerability

Juniper Networks Junos OS is a Juniper Networks USA network operating system dedicated to the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK. A security vulnerability exists in Juniper Networks Junos OS that arises from an improperly...

PT-2024-6324 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 21.2R3-S8 Junos OS versions from 21.4 before 21.4R3-S7 Junos OS versions from 22.1 before 22.1R3-S6 Junos OS versions from 22.2 before 22.2R3-S4 Junos OS versions from 22.3 before 22.3R3-S3 Junos OS versions from 22...

Input validation

An Improper Validation of Specified Index, Position, or Offset in Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service DoS. On SRX5000 Series with SPC3, SRX4000 Series, and vSRX, when...

CVE-2022-22201 SRX5000 Series with SPC3, SRX4000 Series, and vSRX: When PowerMode IPsec is configured, the PFE will crash upon receipt of a malformed ESP packet

An Improper Validation of Specified Index, Position, or Offset in Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service DoS. On SRX5000 Series with SPC3, SRX4000 Series, and vSRX, when...

CVE-2022-22201

CVE-2022-22201 affects Juniper Networks Junos OS on SRX5000/SRX4000/vSRX with PowerMode IPsec. The Packet Forwarding Engine (PFE) crashes when receiving a malformed ESP packet that matches an established IPsec tunnel, due to improper validation of index/position/offset in input. Impact is Denial ...

Juniper Networks Junos OS Denial of Service Vulnerability (CNVD-2022-06697)

Junos OS is a FreeBSD-based operating system used in Juniper Networks hardware routers. It is the operating system used in Juniper Networks routing, switching, and security appliances. A denial of service vulnerability exists in the flow daemon flowd on the Juniper Networks Junos OS SRX300 Series...

CVE-2021-31364

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with a Race Condition in the flow daemon flowd of Juniper Networks Junos OS on SRX300 Series, SRX500 Series, SRX1500, and SRX5000 Series with SPC2 allows an unauthenticated network based attacker sending specific traff...

CVE-2021-31364

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with a Race Condition in the flow daemon flowd of Juniper Networks Junos OS on SRX300 Series, SRX500 Series, SRX1500, and SRX5000 Series with SPC2 allows an unauthenticated network based attacker sending specific traff...

Race condition

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with a Race Condition in the flow daemon flowd of Juniper Networks Junos OS on SRX300 Series, SRX500 Series, SRX1500, and SRX5000 Series with SPC2 allows an unauthenticated network based attacker sending specific traff...

CVE-2021-31364 Junos OS: SRX Series: The flowd process will crash if log session-close is configured and specific traffic is received

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with a Race Condition in the flow daemon flowd of Juniper Networks Junos OS on SRX300 Series, SRX500 Series, SRX1500, and SRX5000 Series with SPC2 allows an unauthenticated network based attacker sending specific traff...

CVE-2021-31364

CVE-2021-31364 affects Juniper Networks Junos OS flowd on SRX300/ SRX500/ SRX1500/ SRX5000 Series with SPC2. Root cause is an improper check for unusual conditions combined with a race condition in flowd, triggered by specific traffic that creates the same session and logs session-close as a poli...

Code injection

On SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, vSRX Series devices using tenant services on Juniper Networks Junos OS, due to incorrect permission scheme assigned to tenant system administrators, a tenant system administrator may inadvertently send their network traffic to...

Design/Logic Flaw

On SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, devices using tenant services on Juniper Networks Junos OS, due to incorrect default permissions assigned to tenant system administrators a tenant system administrator may inadvertently send their network traffic to one or more...

CVE-2021-0246 Junos OS: SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3: In a multi-tenant environment, a tenant host administrator may be able to jailbreak out of their network impacting other tenant networks or gather information from other networks.

On SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, devices using tenant services on Juniper Networks Junos OS, due to incorrect default permissions assigned to tenant system administrators a tenant system administrator may inadvertently send their network traffic to one or more...

CVE-2021-0246

CVE-2021-0246 affects Juniper Networks Junos OS on SRX1500/SRX4100/SRX4200/SRX4600/SRX5000 Series with SPC2/SPC3 in multi-tenant deployments. The root cause is incorrect default permissions assigned to tenant system administrators, which may allow a tenant to send their traffic to other tenants w...

Juniper Networks Junos OS Input Validation Error Vulnerability

The Juniper Networks SRX5000 is a 5000 Series security services gateway appliance from Juniper Networks, Inc.Junos OS is a network operating system dedicated to the company's hardware devices. An input validation error vulnerability exists in Juniper Networks Junos OS versions 18.2R3, 18.4R2, and...

CVE-2019-0064

On SRX5000 Series devices, if 'set security zones security-zone tcp-rst' is configured, the flowd process may crash when a specific TCP packet is received by the device and triggers a new session. The process restarts automatically. However, receipt of a constant stream of these TCP packets may...

Design/Logic Flaw

On SRX5000 Series devices, if 'set security zones security-zone tcp-rst' is configured, the flowd process may crash when a specific TCP packet is received by the device and triggers a new session. The process restarts automatically. However, receipt of a constant stream of these TCP packets may...

CVE-2019-0064

CVE-2019-0064 affects Juniper Networks Junos OS on SRX5000 Series devices. The issue arises when a crafted TCP packet is received that matches the configuration command set security zones security-zone tcp-rst, causing the flowd process to crash and restart, with potential extended DoS if a cont...

CVE-2019-0051 SRX5000 Series: Denial of Service vulnerability in SSL-Proxy feature.

SSL-Proxy feature on SRX devices fails to handle a hardware resource limitation which can be exploited by remote SSL/TLS servers to crash the flowd daemon. Repeated crashes of the flowd daemon can result in an extended denial of service condition. For this issue to occur, clients protected by the...