Attacker Value
Very High
(1 user assessed)
Exploitability
Very High
(1 user assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
3

CVE-2023-36845

Disclosure Date: August 17, 2023
Exploited in the Wild
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
Execution
Techniques
Validation
Validated

Description

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series

and SRX Series

allows an unauthenticated, network-based attacker to remotely execute code.

Using a crafted request which sets the variable PHPRC an attacker is able to modify the PHP execution environment allowing the injection und execution of code.

This issue affects Juniper Networks Junos OS on EX Series

and

SRX Series:

  • All versions prior to

20.4R3-S9;

  • 21.1 versions 21.1R1 and later;
  • 21.2 versions prior to 21.2R3-S7;
  • 21.3 versions prior to 21.3R3-S5;
  • 21.4 versions prior to 21.4R3-S5;
  • 22.1 versions

prior to

22.1R3-S4;

  • 22.2 versions

prior to

22.2R3-S2;

  • 22.3 versions

prior to

22.3R2-S2, 22.3R3-S1;

  • 22.4 versions

prior to

22.4R2-S1, 22.4R3;

  • 23.2 versions prior to 23.2R1-S1, 23.2R2.

Add Assessment

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • juniper

Products

  • junos,
  • junos 20.4,
  • junos 21.1,
  • junos 21.2,
  • junos 21.3,
  • junos 21.4,
  • junos 22.1,
  • junos 22.2,
  • junos 22.3,
  • junos 22.4
Technical Analysis