Home › Exploited CVEs › CVE-2023-36844
CVE-2023-36844: Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
Juniper Junos OS · in CISA KEV since 2023-11-13
2023-11-13added to KEV
2023-11-17federal remediation due date
89.96%EPSS exploit probability (30 days) 99.8th percentile
5.3 MEDIUMCVSS 3.1
Unknownknown ransomware use
88days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-473 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD published | 2023-08-17 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-36844.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.