CVE-2019-12695 Cisco Adaptive Security Appliance and Firepower Threat Defense Software WebVPN Cross-Site Scripting Vulnerability
Unauthenticated remote attackers can execute arbitrary scripts or steal sensitive data via XSS in the Cisco ASA/FTD WebVPN portal by tricking users into clicking crafted links.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-12695?
CVE-2019-12695 is a medium-severity cross-site scripting vulnerability in Cisco Adaptive Security Appliance, published on 2 Oct 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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 unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2019-12695?
It affects 3 products.
Products include Cisco Adaptive Security Appliance, Cisco Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense.
How do I fix CVE-2019-12695?
No fix has been published for CVE-2019-12695 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-12695 being exploited?
There is no known exploitation of CVE-2019-12695 in the wild and no public exploit code.
Other vulnerabilities in Cisco Adaptive Security Appliance
- CVE-2021-1573 Denial of service in Cisco Adaptive Security Appliance Software
- CVE-2021-34793 Denial of service in Cisco Adaptive Security Appliance (ASA) Software
- CVE-2021-40117 Denial of service in Cisco Adaptive Security Appliance (ASA) Software
- CVE-2021-40118 Denial of service in Cisco Adaptive Security Appliance (ASA) Software
- CVE-2020-3304 Denial of service in Cisco Adaptive Security Appliance (ASA) Software
Sources
Also known as GHSA-gxr3-gj4w-43g4.