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Juniper Junos OS Vulnerability (JSA11253)

high Nessus Plugin ID 161953

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Synopsis

The remote device is missing a vendor-supplied security patch.

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.

Note: Nessus found J-Web enabled [set system services web-management http(s)] on this device.

Solution

Disable J-Web, or limit access to only trusted hosts.

See Also

https://kb.juniper.net/JSA11253

Plugin Details

Severity: High

ID: 161953

File Name: juniper_jsa11253.nasl

Version: 1.5

Type: combined

Published: 6/8/2022

Updated: 10/11/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:M/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2021-31385

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2021

Vulnerability Publication Date: 9/28/2021

Reference Information

CVE: CVE-2021-31385

JSA: JSA11253