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CVE-2023-36845

CWE-473

Critical

103.7

RPS

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.

Source: NVD

Signals

CVSS
9.8
Critical · v3.1
EPSS
95.07%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Nov 2023
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-473
Published
17 Aug 2023
Last modified 24 Oct 2025

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2023-36845 · RPS 103.7 · DevSecure Intelligence