CVE-2019-15969 Cisco Web Security Appliance Management Interface Cross-Site Scripting Vulnerability
Unauthenticated attackers can execute arbitrary scripts in the management interface via crafted links, potentially accessing sensitive browser-based information.
- 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-2019-15969?
CVE-2019-15969 is a medium-severity cross-site scripting vulnerability in Cisco Web Security Appliance, published on 23 Sep 2020. 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 web-based management interface of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the 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 or HTML code in the context of the interface, which could allow the attacker to gain access to sensitive, browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2019-15969?
It affects 1 product.
Products include Cisco Web Security Appliance.
How do I fix CVE-2019-15969?
No fix has been published for CVE-2019-15969 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-2019-15969 being exploited?
There is no known exploitation of CVE-2019-15969 in the wild and no public exploit code.
Other vulnerabilities in Cisco Web Security Appliance
Sources
Also known as GHSA-ffvc-r4fg-pj7f.