CVEvulnerability
CVE-2021-31385
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 8.5 HIGH — AV:N/AC:M/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-22
Description
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.
Affected configurations
• juniper junos 12.3
• juniper junos 15.1
• juniper junos 18.3
• juniper junos 18.4
• juniper junos 19.1
• juniper junos 19.2
• juniper junos 19.3
• juniper junos 19.4
• juniper junos 20.1
• juniper junos 20.2
• juniper junos 20.3
• juniper junos 20.4
• juniper junos 21.1
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://kb.juniper.net/JSA11253 Vendor Advisory
- https://kb.juniper.net/JSA11253 Vendor Advisory