Description

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is sensitive information disclosure in the error messages. This issue has been fixed in version 3.2.3.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "3.5",
  "pubDate": "2026-08-21T22:16:37.003Z",
  "pubdate": "2026-08-21T22:16:37.003Z",
  "executiveSummary": "A sensitive information disclosure vulnerability exists in Combodo iTop prior to version 3.2.3. The vulnerability manifests within application error messages, which inadvertently expose internal system data, operational parameters, or architectural details to unauthorized users. This security flaw impacts the confidentiality of the IT service management platform by leaking sensitive diagnostic data during exception handling scenarios.\nThe risk implications include the potential aggregation of system metadata by malicious actors, which can facilitate subsequent reconnaissance phases and inform targeted attacks against the underlying infrastructure. Attack capabilities involve intercepting or triggering anomalous application states to capture verbose error outputs returned by the server. Exploitation requirements generally rely on the ability to interact with the web interface and provoke error conditions, though specific authentication requirements are contingent on the nature of the triggered exception.\nOrganizations deploying vulnerable instances of Combodo iTop face an elevated risk of internal topology leakage, potentially compromising the overall security posture of the IT service management environment. Remediation requires updating the software to the patched version released by the vendor.",
  "technicalDetails": "The vulnerability stems from insecure exception handling and verbose error-reporting mechanisms within Combodo iTop prior to version 3.2.3. The root cause is the inadequate sanitization and filtering of diagnostic data returned within application error messages. When the web application encounters malformed requests, operational anomalies, or runtime exceptions, the error handling routines fail to abstract internal system details, resulting in the transmission of sensitive information to the client interface.\nThe vulnerable component involves the application's global error handler and exception management subsystem, which processes runtime exceptions across the web-based IT service management tool. Affected versions comprise all releases of Combodo iTop prior to version 3.2.3. Network exposure is inherent to the web interface of the deployment, as standard HTTP/HTTPS requests can be leveraged to interact with the application logic.\nThe step-by-step attack flow begins with the malicious actor performing reconnaissance against the Combodo iTop instance to identify functional endpoints, input parameters, or predictable error-triggering conditions. The attacker then submits specially crafted HTTP requests designed to intentionally provoke application errors or exceptions. Upon processing the invalid input or encountering the forced exception, the vulnerable error-handling mechanism generates a response containing unmasked diagnostic information, stack traces, database schema details, or environment paths.\nThe payload behavior is entirely informational, focusing on the extraction of internal metadata rather than direct remote code execution. Post-exploitation impact centers on information gathering; the disclosed sensitive details can be leveraged by an adversary to map the internal architecture of the host system, identify outdated software dependencies, construct precise injection payloads, or formulate advanced multi-stage attacks against the Combodo iTop environment."
}