Loading vulnerability…
CVE-2023-36844 is a PHP external variable modification vulnerability in the J-Web management interface of Juniper Networks Junos OS on EX Series devices. A crafted unauthenticated request can modify certain important PHP environment variables exposed through J-Web, allowing an attacker to influence application execution context and cause a partial loss of integrity. On its own, the flaw is described as limited in impact, but it is significant because it can be chained with other J-Web vulnerabilities, including missing authentication for critical functions and related file upload issues, to achieve pre-authentication remote code execution against affected Junos OS devices. Affected releases include all versions prior to 20.4R3-S9, 21.2 versions prior to 21.2R3-S7, 21.3 versions prior to 21.3R3-S5, 21.4 versions prior to 21.4R3-S5, 22.1 versions prior to 22.1R3-S4, 22.2 versions prior to 22.2R3-S2, 22.3 versions prior to 22.3R3-S1, 22.4 versions prior to 22.4R2-S2 and 22.4R3, and 23.2 versions prior to 23.2R1-S1 and 23.2R2.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
3 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a Python exploit script (CVE-2023-36844.py) targeting CVE-2023-36844, a remote code execution vulnerability in Juniper JunOS (SRX and EX Series). The exploit works by uploading a crafted PHP file and an INI file to the target device via the /webauth_operation.php endpoint. The PHP payload is designed to execute arbitrary PHP code (default: php_uname()) and return the output, delimited by unique markers for easy extraction. The script supports multi-threaded execution and can process a list of targets provided in a file. Results are saved to a local Results/Results.txt file. The repository also includes a README.md with usage instructions and a requirements.txt listing Python dependencies. The exploit is operational and provides a working method for remote code execution on vulnerable JunOS devices.
This repository contains a Python proof-of-concept exploit targeting a chain of vulnerabilities (CVE-2023-36844, CVE-2023-36845, CVE-2023-36846, CVE-2023-36847) in Juniper JunOS SRX and EX Series devices. The exploit leverages a pre-authentication file upload vulnerability in the J-Web interface to upload a malicious PHP file and a crafted INI file. By manipulating the PHPRC environment variable via HTTP requests, the attacker can force the web server to execute arbitrary PHP code. The main exploit script (watchtowr-vs-junos_juniper_2023-08-25.py) takes a target URL and an optional PHP function as arguments, uploads the payloads, and triggers code execution, returning the output. The repository is structured with a README.md providing background and usage instructions, and a single Python exploit script implementing the attack. The exploit is a functional proof-of-concept and demonstrates remote code execution on vulnerable, unpatched JunOS devices.
This repository contains a proof-of-concept exploit for a chain of vulnerabilities (CVE-2023-36844, CVE-2023-36845, CVE-2023-36846, CVE-2023-36847) affecting Juniper JunOS SRX and EX Series devices. The exploit is implemented in Python (exploit.py) and allows an attacker to achieve remote code execution by uploading a malicious PHP file and a crafted INI file to the target device via the /webauth_operation.php endpoint. The exploit then triggers execution of arbitrary PHP code (by default, phpinfo(), but customizable via a command-line argument). The README provides a brief description and a Shodan dork for finding potentially vulnerable devices. The exploit demonstrates the attack chain but is a proof-of-concept and not weaponized for mass exploitation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Juniper J-Webの脆弱性として例示され、BOD 26-04では悪用確認と自動化可能性により最優先対応対象になる事例。
A Juniper Networks J-Web vulnerability mentioned in the group's CVE references.
A Junos OS vulnerability affecting Juniper SRX Series that is referenced as historical context because it was heavily targeted in the wild.
A Juniper Junos OS J-Web interface vulnerability referenced as having been heavily targeted by threat actors.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.