CVE-2020-3233 Cisco IOx Application Framework Local Manager Stored Cross-Site Scripting Vulnerability
Authenticated attackers can inject malicious scripts into the Cisco IOx Local Manager interface, allowing arbitrary code execution or data theft in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3233?
CVE-2020-3233 is a medium-severity cross-site scripting vulnerability in Cisco IOx, published on 3 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web-based Local Manager interface of the Cisco IOx Application Framework could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based Local Manager interface of an affected device. The attacker must have valid Local Manager credentials. The vulnerability is due to insufficient validation of user-supplied input by the web-based Local Manager interface of the affected software. An attacker could exploit this vulnerability by injecting malicious code into a system settings tab. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected web interface or allow the attacker to access sensitive browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2020-3233?
It affects 1 product.
Products include Cisco Iox.
How do I fix CVE-2020-3233?
No fix has been published for CVE-2020-3233 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-2020-3233 being exploited?
There is no known exploitation of CVE-2020-3233 in the wild and no public exploit code.
Other vulnerabilities in Cisco IOx
- CVE-2017-3853 Memory corruption in Cisco IOx
- CVE-2020-3238 Cisco IOx Application Framework Arbitrary File Creation Vulnerability
- CVE-2017-3852 Path traversal in Cisco Application-Hosting Framework
- CVE-2017-3851 Path traversal in Cisco Application-Hosting Framework
- CVE-2016-9199 Path traversal in Cisco IOx
Sources
Also known as GHSA-g8jq-xwcj-j8m3.