Product:
Secure Firewall Adaptive Security Appliance
Summary
A vulnerability in the Remote Access SSL VPN functionality could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory, resulting in a denial of service condition. This vulnerability arises from trusting user input without validation. An attacker could exploit this by sending crafted packets to the Remote Access SSL VPN server, potentially causing the device to reload and leading to a DoS condition.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.7 | CVE-2026-20105 |
Exploitation
To exploit this vulnerability, an attacker must have a valid VPN connection to the device. They can then send specially crafted packets to the Remote Access SSL VPN server. If successful, this could lead to the exhaustion of device memory, causing the device to reload and resulting in a denial of service.
Affected Products
- Secure Firewall Adaptive Security Appliance: Affected by the vulnerability in the Remote Access SSL VPN functionality.
- Secure Firewall Threat Defense: Also impacted by the same vulnerability affecting the Remote Access SSL VPN functionality.
Mitigation
To mitigate this vulnerability, it is recommended to implement input validation measures to ensure that user input is properly validated before being processed. Additionally, keeping the software updated with the latest security patches can help protect against potential exploits.