CISA Known Exploited Vulnerabilities Directory

Explore every threat in the CISA Known Exploited Vulnerabilities (KEV) catalog, enhanced with plain-English executive analysis, AWS relevance, and technical remediation guidance.

Showing 1–7 of 7 records

CVE Vendor Product Added Due Status
CVE-2025-21590 — Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
Juniper Junos OS contains an improper isolation or compartmentalization vulnerability. This vulnerability could allows a local attacker with high privileges to inject arbitrary code.
Juniper Junos OS Mar 13, 2025 Apr 3, 2025
CVE-2023-36844 — Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
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.
Juniper Junos OS Nov 13, 2023 Nov 17, 2023
CVE-2023-36845 — Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability
Juniper Junos OS on EX Series and SRX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control an important environment variable. 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.
Juniper Junos OS Nov 13, 2023 Nov 17, 2023
CVE-2023-36846 — Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to user.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
Juniper Junos OS Nov 13, 2023 Nov 17, 2023
CVE-2023-36847 — Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
Juniper Junos OS on EX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to installAppPackage.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
Juniper Junos OS Nov 13, 2023 Nov 17, 2023
CVE-2023-36851 — Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to webauth_operation.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.
Juniper Junos OS Nov 13, 2023 Nov 17, 2023
CVE-2020-1631 — Juniper Junos OS Path Traversal Vulnerability
A path traversal vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Zero Touch Provisioning (ZTP) allows an unauthenticated attacker to perform remote code execution.
Juniper Junos OS Mar 25, 2022 Apr 15, 2022

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

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.

Junos OS · Nov 13, 2023

CVE-2023-36845 — Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability

Juniper Junos OS on EX Series and SRX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control an important environment variable. 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.

Junos OS · Nov 13, 2023

CVE-2023-36846 — Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability

Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to user.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.

Junos OS · Nov 13, 2023

CVE-2023-36847 — Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability

Juniper Junos OS on EX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to installAppPackage.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.

Junos OS · Nov 13, 2023

CVE-2023-36851 — Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability

Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to webauth_operation.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.

Junos OS · Nov 13, 2023