Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions of Juniper Networks Junos OS prior to 22.4R3-S8, 23.2R2-S5...

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved security vulnerabilities

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of the American company Juniper Networks. Juniper Networks Junos OS is a network operating system specifically designed for the company’s hardware devices. This operating system provides secure programming interface...

Juniper Junos OS Vulnerability (JSA103167)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA103167 advisory. - An Authentication Bypass by Primary Weakness in the FTP server of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to get limited read-write...

CVE-2025-59980

An Authentication Bypass by Primary Weakness in the FTP server of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to get limited read-write access to files on the device. When the FTP server is enabled and a user named "ftp" or "anonymous" is configured, that user can...

CVE-2025-59980 Junos OS: When a user with the name ftp or anonymous is configured unauthenticated filesystem access is allowed

An Authentication Bypass by Primary Weakness in the FTP server of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to get limited read-write access to files on the device. When the FTP server is enabled and a user named "ftp" or "anonymous" is configured, that user can...

PT-2025-41416

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 22.4R3-S8 Juniper Networks Junos OS versions 23.2 through 23.2R2-S3 Juniper Networks Junos OS versions 23.4 through 23.4R2 Description An authentication bypass exists in the FTP server of Juniper...