CVE-2019-12695 : What You Need to Know
Learn about CVE-2019-12695, a vulnerability in Cisco ASA and Firepower Threat Defense Software allowing XSS attacks. Find mitigation steps and patching recommendations.
A vulnerability in the Clientless SSL VPN (WebVPN) portal of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthorized remote attacker to carry out a cross-site scripting (XSS) attack.
Understanding CVE-2019-12695
This CVE identifies a flaw in the web-based management interface of Cisco ASA and FTD Software that could lead to a cross-site scripting attack.
What is CVE-2019-12695?
The vulnerability allows an attacker to execute arbitrary script code within the interface's context by manipulating a user into clicking on a malicious hyperlink.
The Impact of CVE-2019-12695
- An unauthorized remote attacker could conduct a cross-site scripting attack against a user of the affected device's web-based management interface.
- Successful exploitation could grant access to sensitive information in the user's web browser.
Technical Details of CVE-2019-12695
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- The flaw arises from inadequate verification of user-provided input by the web-based management interface.
Affected Systems and Versions
- Product: Cisco Adaptive Security Appliance (ASA) Software
- Vendor: Cisco
- Versions: Unspecified
Exploitation Mechanism
- Attacker needs to manipulate the user into clicking on a carefully crafted hyperlink.
- Successful exploitation grants the attacker the ability to execute arbitrary script code within the interface's context.
Mitigation and Prevention
Protecting systems from CVE-2019-12695 is crucial to maintaining security.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Educate users about the risks of clicking on unknown links.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement web application firewalls to mitigate XSS attacks.
Patching and Updates
- Cisco has likely released patches to address this vulnerability. Ensure systems are updated with the latest security fixes.