Juniper Junos Local File Include Vulnerability (JSA11021)

critical Nessus Plugin ID 136285


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


According to the self reported version of Junos OS on the remote device it is affected by a local file inclusion vulnerability in HTTP/HTTPS service. An unauthenticated remote attacker can exploit this to perform local file inclusion (LFI), path traversal or maybe able to inject commands into the httpd.log, read files with 'world' readable file permission or obtain J-Web session tokens.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Apply the relevant Junos software release referenced in Juniper advisory JSA11021

See Also

Plugin Details

Severity: Critical

ID: 136285

File Name: juniper_jsa11021.nasl

Version: 1.14

Type: combined

Published: 5/1/2020

Updated: 3/28/2022

Risk Information


Risk Factor: High

Score: 7.4


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:H/RL:OF/RC:C

CVSS Score Source: CVE-2020-1631


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version, Host/Juniper/model

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/27/2020

Vulnerability Publication Date: 4/27/2020

CISA Known Exploited Dates: 4/15/2022

Reference Information

CVE: CVE-2020-1631

JSA: JSA11021

IAVA: 2020-A-0181-S