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CVE-2021-31385

Junos OS: J-Web: A path traversal vulnerability allows an authenticated attacker to elevate their privileges to root

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 12.3R12-S19, 15.1R7-S10, 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, and 4 more
None on Exploit-DB, Metasploit or GitHub

Summary

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S19; 15.1 versions prior to 15.1R7-S10; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Juniper Networks Junos OS

    From 12.3 · fixed in 12.3R12-S19

  • Juniper Networks Junos OS

    From 15.1 · fixed in 15.1R7-S10; From 18.3 · fixed in 18.3R3-S5; From 18.4 · fixed in 18.4R3-S9; From 19.1 · fixed in 19.1R3-S6; From 19.3 · fixed in 19.3R3-S3; From 19.4 · fixed in 19.4R3-S5; From 20.2 · fixed in 20.2R3-S2; From 20.3 · fixed in 20.3R3

References 1

kb.juniper.net