CVE-2019-1733 Cisco NX-OS Software NX-API Sandbox Cross-Site Scripting Vulnerability
An authenticated attacker can execute arbitrary scripts in the NX-API Sandbox interface via a crafted link, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-1733?
CVE-2019-1733 is a medium-severity cross-site scripting vulnerability in Cisco Nx-Os, published on 15 May 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability in the NX API (NX-API) Sandbox interface for Cisco NX-OS Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the NX-API Sandbox interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the NX-API Sandbox interface. An attacker could exploit this vulnerability by persuading a user of the NX-API Sandbox interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected NX-API Sandbox interface.
Weakness: CWE-79
Which versions are affected by CVE-2019-1733?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2019-1733?
No fix has been published for CVE-2019-1733 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-2019-1733 being exploited?
There is no known exploitation of CVE-2019-1733 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-qppv-v6vq-jq33.