Description

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Check or Handling of Exceptional Conditions vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.5",
  "pubDate": "2026-09-07T13:20:39.047Z",
  "pubdate": "2026-09-07T13:20:39.047Z",
  "executiveSummary": "This vulnerability involves an Improper Check or Handling of Exceptional Conditions within Dell Secure Connect Gateway (SCG) 5.0 appliance and application versions. The flaw resides in the appliance's handling of specific error states, which can be manipulated by an unauthenticated remote attacker to bypass intended security controls.\nThe vulnerability poses a significant risk to the integrity of the security architecture of the affected systems. By triggering the improper exception handling, an attacker can bypass protection mechanisms, potentially gaining unauthorized access to restricted functionalities or bypassing security policy enforcement points.\nAffected systems include Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00. The primary exploitation requirement is remote network access to the target system; no authentication is necessary to initiate the exploit. Successful exploitation compromises the security posture of the appliance, potentially facilitating further unauthorized operations or information disclosure within the managed environment.",
  "technicalDetails": "The vulnerability is rooted in the failure of the Dell Secure Connect Gateway (SCG) software stack to correctly process specific error conditions or exceptional states. When an input or operational state triggers an unexpected condition, the application fails to handle the exception gracefully or securely. This failure results in the software proceeding into a state that lacks the expected security verification or validation routines.\nIn a standard execution flow, the application utilizes security checks to validate session integrity, request legitimacy, or authorization tokens. When the vulnerability is triggered, the improper handling of the exception causes the application to bypass these secondary checks. Because the software fails to reach or execute the code responsible for access control enforcement during the exception state, the protection mechanism is effectively nullified.\nThe exploitation process occurs via a remote vector, requiring the attacker to send specially crafted packets or requests designed to trigger the identified error condition. Upon receiving this malicious payload, the SCG appliance enters the vulnerable state. The attacker does not need to provide valid credentials, as the exploit targets the logic that manages authentication and request processing before such validations are strictly enforced or recovered.\nOnce the protection mechanism is bypassed, the attacker may perform unauthorized actions that would typically be restricted. This could include interacting with protected APIs, accessing restricted configuration interfaces, or executing administrative commands depending on the specific code path that is left unprotected during the exception. The lack of validation ensures that the system treats the malicious request as a permitted operation despite the lack of proper credentials.\nThe scope of impact is limited to the Dell SCG 5.0 Appliance (versions < 5.36.00.16) and Dell SCG 5.0 Application (versions < 5.36.00.00). Post-exploitation impact varies based on the exposed functionalities within the bypassed state, but generally involves a complete loss of confidentiality and integrity for the affected management gateway's local security controls. The vulnerability highlights a failure in robust exception management, where system stability and security logic are inextricably linked, allowing a simple application crash or error to facilitate a privilege or access bypass."
}