CVE Vulnerability Advisory Database
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Juniper Networks Junos OS J-Web External Variable Modification Vulnerability (CVE-2023-36845) Remote Code Execution Analysis and Mitigation Guide
[Affected Scope] Juniper Networks Junos OS on EX Series switches and SRX Series firewalls with the J-Web interface enabled
[Impact] An unauthenticated, network-based attacker can modify the PHP execution environment (PHPRC) via crafted HTTP requests, leading to arbitrary code execution and full device compromise
[Mitigation] Immediately upgrade Junos OS to the patched versions, or disable the J-Web interface and restrict access to trusted IP addresses as a temporary workaround
Juniper Junos OS EX Series J-Web PHP External Variable Modification Vulnerability (CVE-2023-36844) Security Advisory
[Affected Scope] Juniper Networks Junos OS EX Series switches with the J-Web interface enabled
[Impact] Unauthenticated, network-based attackers can manipulate PHP environment variables, potentially leading to unauthorized file uploads and remote code execution (RCE) when chained
[Mitigation] Apply the latest Junos OS security patches immediately, or disable the J-Web service / restrict access to trusted IP addresses