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CVE-2021-31372

Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, 19.2R3-S3, 19.3R3-S3, and 5 more
None on Exploit-DB, Metasploit or GitHub

Summary

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to root over the target device. This issue affects: Juniper Networks Junos OS All 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 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2;

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Juniper Networks Junos OS

    fixed in 18.3R3-S5; From 18.4 · fixed in 18.4R3-S9; From 19.1 · fixed in 19.1R3-S6; From 19.2 · fixed in 19.2R3-S3; From 19.3 · fixed in 19.3R3-S3; From 19.4 · fixed in 19.4R3-S5; From 20.1 · fixed in 20.1R3-S1; From 20.2 · fixed in 20.2R3-S2; From 20.3 · fixed in 20.3R3-S1; From 20.4 · fixed in 20.4R3

References 1

kb.juniper.net