Junos OS: User-controlled input vulnerability in J-Web

Summary

An Improper Authentication vulnerability in cert-mgmt.php, used by the J-Web component of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to read arbitrary files from temporary folders on the device. This issue affects Juniper Networks Junos OS: All versions prior to 19.1R3-S10; 19.2 versions prior to 19.2R3-S7; 19.3 versions prior to 19.3R3-S8; 19.4 versions prior to 19.4R3-S11; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S7; 20.3 version 20.3R1 and later versions; 20.4 versions prior to 20.4R3-S6; 21.1 versions prior to 21.1R3-S5; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S3; 22.1 versions prior to 22.1R3-S1; 22.2 versions prior to 22.2R2-S1, 22.2R3; 22.3 versions prior to 22.3R1-S2, 22.3R2.

Timeline

1. Apr 17, 2023, 12:00 AM UTCCVE published
2. Feb 6, 2025, 2:39 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: partial

3. Feb 6, 2025, 2:39 PM UTCRecord last updated

Affected versions

• Juniper Networks Junos OS

  fixed in 19.1R3-S10; From 19.2 · fixed in 19.2R3-S7; From 19.3 · fixed in 19.3R3-S8; From 19.4 · fixed in 19.4R3-S11; From 20.1R1; From 20.2 · fixed in 20.2R3-S7; From 20.3R1; From 20.4 · fixed in 20.4R3-S6; From 21.1 · fixed in 21.1R3-S5; From 21.2 · fixed in 21.2R3-S4; From 21.3 · fixed in 21.3R3-S3; From 21.4 · fixed in 21.4R3-S3; From 22.1 · fixed in 22.1R3-S1

References 1