Rule Document 1:67353

Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP CheckPoint multiple products arbitrary file upload attempt

Rule Explanation

This rule looks for HTTP POST requests to the Upgrade Service endpoint that contain a targetVersion XML element with characters that do not match the permitted alphanumeric, dot, underscore, or hyphen pattern. Successful exploitation allows an attacker to traverse directories and upload arbitrary files to the server.

What To Look For

This rule fires on attempts to exploit an arbitrary file read/write vulnerability in CheckPoint web application products via path traversal.

Known Usage

Attacks/Scans seen in the wild

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

MITRE::ATT&CK Framework::Enterprise::Initial Access::Exploit Public-Facing Application

Adversaries may attempt to take advantage of a weakness in an Internet-facing computer or program using software, data, or commands in order to cause unintended or unanticipated behavior. The weakness in the system can be a bug, a glitch, or a design vulnerability. These applications are often websites, but can include databases (like SQL), standard services (like SMB or SSH), network device administration and management protocols (like SNMP and Smart Install), and any other applications with Internet accessible open sockets, such as web servers and related services.

Vulnerability::Severity::High

Vulnerability::Severity::Critical

CVE

CVE-2026-93616

Additional Links

support.checkpoint.com/results/sk/sk1000171

Rule Vulnerability

Directory Traversal

A Directory Traversal attack targets HTTP traffic and allows the attacker to access directories outside the applications own, potentially exposing sensitive system files to leakage or overwriting. This is also known as Directory Climbing, Path Traversal, or Backtracking. An alert on this kind of attack indicates a vulnerability in security validation of user input that allows a "traverse to parent directory" or "../" command to pass through. Protect your site by filtering all user input, removing any characters but the allowed data.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.

CVE-2026-93616

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