Juniper Junos OS Vulnerability (JSA107850)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA107850 advisory. - An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP...

Vulnerability fixed in Juniper Junos OS Evolved

Juniper has fixed a vulnerability in Junos OS Evolved Specifically for PTX Series devices. The vulnerability is in the On-Box Anomaly detection framework of Junos OS Evolved that runs on PTX Series devices. The cause is an incorrect assignment of permissions that allows unauthenticated remote...

EUVD-2026-8693

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be...

CVE-2026-21902 Junos OS Evolved: PTX Series: A vulnerability allows a unauthenticated, network-based attacker to execute code as root

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be...

CVE-2026-21902

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be...

PT-2026-21964

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS Evolved on PTX Series versions prior to 25.4R1-S1-EVO, 25.4R2-EVO, and 26.2R1-EVO Description A critical issue exists in Juniper Networks Junos OS Evolved, specifically within the On-Box Anomaly Detection framework on...

CVE-2026-21902: Incorrect Permission Assignment for Critical Resource

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be...

Juniper Junos OS Vulnerability (JSA100087)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA100087 advisory. - An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon flowd of Juniper Networks Junos OS on SRX4600 and SRX5000 Series allow...

Juniper Junos OS Vulnerability (JSA103173)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA103173 advisory. - A NULL Pointer Dereference vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS on MX, SRX and EX Series allows a local attacker with low privileges ...

The vulnerability of the jdhcpd daemon in operating systems based on Juniper Networks’ Junos OS and Junos OS Evolved, which allows a attacker to cause a service failure.

The vulnerability of jdhcpd in Juniper Networks’ Junos OS and Junos OS Evolved operating systems is related to insufficient checking of exceptional states. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

CVE-2026-21905

A Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the SIP application layer gateway ALG of Juniper Networks Junos OS on SRX Series and MX Series with MX-SPC3 or MS-MPC allows an unauthenticated network-based attacker sending specific SIP messages over TCP to crash the flow...

CVE-2026-21911

An Incorrect Calculation vulnerability in the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker flapping the management interface to cause the learning of new MACs over label-switched interfaces LSI to stop while...

CVE-2025-59960

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Juniper DHCP service jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a DHCP client in one subnet to exhaust the address pools of other subnets, leading to a Denial of Service DoS on the downstream DHCP...

CVE-2025-59961

An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the...

CVE-2025-60003

A Buffer Over-read vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device receives a BGP update with a set of specific optional transitive...

CVE-2026-21918

A Double Free vulnerability in the flow processing daemon flowd of Juniper Networks Junos OS on SRX and MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. On all SRX and MX Series platforms, when during TCP session establishment a specific sequence of...

CVE-2026-21921

A Use After Free vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker authenticated with low privileges to cause a Denial-of-Service DoS. When telemetry collectors are frequently subscribing and unsubscribing to sensors...

CVE-2026-21920

An Unchecked Return Value vulnerability in the DNS module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX Series device configured for DNS processing, receives a specifically formatted DNS request flowd will...

CVE-2026-21917

An Improper Validation of Syntactic Correctness of Input vulnerability in the Web-Filtering module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX device configured for UTM Web-Filtering receives a specifical...

CVE-2026-21911

An Incorrect Calculation vulnerability in the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker flapping the management interface to cause the learning of new MACs over label-switched interfaces LSI to stop while...