CVE-2023-36844CISA KEVEPSS p99.8%

CVE-2023-36844Juniper Junos OS EX Series PHP External Variable Modification Vulnerability

Juniper / Junos OS

Description

Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.

Scoring

EPSS89.63% probability of exploitation · percentile 99.8% · 2026-06-17T12:03:21Z

CISA KEV entry

Added to KEV: 2023-11-13

(incoming)1

TypeTargetConfidenceTier
KEVEntryJuniper Junos OS EX Series PHP External Variable Modification Vulnerabilitykev-cve-2023-368440%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability
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Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.