{"cve":"CVE-2023-36845","nvd":{"published":"2023-08-17T20:15:10.360","modified":"2026-06-17T06:07:12.753","status":"Analyzed","description":"A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series \n\nand SRX Series \n\nallows an unauthenticated, network-based attacker to remotely execute code.\n\nUsing 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.\n\n\nThis issue affects Juniper Networks Junos OS on EX Series\n\n\nand \n\n\nSRX Series:\n\n\n\n  *  All versions prior to \n\n20.4R3-S9;\n  *  21.1 versions 21.1R1 and later;\n  *  21.2 versions prior to 21.2R3-S7;\n  *  21.3 versions prior to 21.3R3-S5;\n  *  21.4 versions prior to 21.4R3-S5;\n  *  22.1 versions \n\nprior to \n\n22.1R3-S4;\n  *  22.2 versions \n\nprior to \n\n22.2R3-S2;\n  *  22.3 versions \n\nprior to \n\n22.3R2-S2, 22.3R3-S1;\n  *  22.4 versions \n\nprior to \n\n22.4R2-S1, 22.4R3;\n  *  23.2 versions prior to 23.2R1-S1, 23.2R2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-473"],"references":["http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html","http://packetstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html","https://supportportal.juniper.net/JSA72300","http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html","http://packetstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html"],"products":["juniper:junos"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-36845","score":0.9507,"percentile":0.99862,"date":"2026-10-31"},"kev":{"cve":"CVE-2023-36845","date_added":"2023-11-13","due_date":"2023-11-17","vendor":"Juniper","product":"Junos OS","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}