CVE-2023-36847 Information

Description

A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on EX Series allows an unauthenticated network-based attacker to cause limited impact to the file system integrity.

With a specific request that doesn’t require authentication an attacker is able to upload arbitrary files via J-Web leading to a loss of

integrity

for a certain

part of the file system which may allow chaining to other vulnerabilities.

This issue affects Juniper Networks Junos OS on EX Series:

All versions prior to 20.4R3-S8;
21.2 versions prior to 21.2R3-S6;
21.3 versions 

prior to

21.3R3-S5; 21.4 versions

prior to

21.4R3-S4; 22.1 versions

prior to

22.1R3-S3; 22.2 versions

prior to

22.2R3-S1; 22.3 versions

prior to

22.3R2-S2 22.3R3; 22.4 versions

prior to

22.4R2-S1 22.4R3.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Reference

https://supportportal.juniper.net/JSA72300

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3