CVE-2023-28963

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 19.1R3-S10 Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S7 Juniper Networks Junos OS 19.3 versions prior to 19.3R3-S8 Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S11 Juniper Networks Junos OS 20.2 versions prior to 20.2R3-S7 Juniper Networks Junos OS 20.4 versions prior to 20.4R3-S6 Juniper Networks Junos OS 21.1 versions prior to 21.1R3-S5 Juniper Networks Junos OS 21.2 versions prior to 21.2R3-S4 Juniper Networks Junos OS 21.3 versions prior to 21.3R3-S3 Juniper Networks Junos OS 21.4 versions prior to 21.4R3-S3 Juniper Networks Junos OS 22.1 versions prior to 22.1R3-S1 Juniper Networks Junos OS 22.2 versions prior to 22.2R2-S1, 22.2R3 Juniper Networks Junos OS 22.3 versions prior to 22.3R1-S2, 22.3R2

Description The issue is related to an Improper Authentication vulnerability in the cert-mgmt.php file used by the J-Web component of Juniper Networks Junos OS. This vulnerability allows an unauthenticated, network-based attacker to read arbitrary files from temporary folders on the device.

Recommendations For Juniper Networks Junos OS versions prior to 19.1R3-S10, update to version 19.1R3-S10 or later. For Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S7, update to version 19.2R3-S7 or later. For Juniper Networks Junos OS 19.3 versions prior to 19.3R3-S8, update to version 19.3R3-S8 or later. For Juniper Networks Junos OS 19.4 versions prior to 19.4R3-S11, update to version 19.4R3-S11 or later. For Juniper Networks Junos OS 20.2 versions prior to 20.2R3-S7, update to version 20.2R3-S7 or later. For Juniper Networks Junos OS 20.4 versions prior to 20.4R3-S6, update to version 20.4R3-S6 or later. For Juniper Networks Junos OS 21.1 versions prior to 21.1R3-S5, update to version 21.1R3-S5 or later. For Juniper Networks Junos OS 21.2 versions prior to 21.2R3-S4, update to version 21.2R3-S4 or later. For Juniper Networks Junos OS 21.3 versions prior to 21.3R3-S3, update to version 21.3R3-S3 or later. For Juniper Networks Junos OS 21.4 versions prior to 21.4R3-S3, update to version 21.4R3-S3 or later. For Juniper Networks Junos OS 22.1 versions prior to 22.1R3-S1, update to version 22.1R3-S1 or later. For Juniper Networks Junos OS 22.2 versions prior to 22.2R2-S1, 22.2R3, update to version 22.2R2-S1 or later. For Juniper Networks Junos OS 22.3 versions prior to 22.3R1-S2, 22.3R2, update to version 22.3R1-S2 or later. As a temporary workaround, consider restricting access to the cert-mgmt.php file until a patch is available.