CVE-2020-3159 Cisco Finesse Web-Based Management Interface Cross-Site Scripting Vulnerability
Unauthenticated remote attackers can execute arbitrary script code or access sensitive browser-based information via a malicious link in Cisco Finesse.
- 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-2020-3159?
CVE-2020-3159 is a medium-severity cross-site scripting vulnerability in Cisco Finesse, published on 19 Feb 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 Finesse could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected software. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2020-3159?
It affects 1 product.
Products include Cisco Finesse.
How do I fix CVE-2020-3159?
No fix has been published for CVE-2020-3159 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-2020-3159 being exploited?
There is no known exploitation of CVE-2020-3159 in the wild and no public exploit code.
Other vulnerabilities in Cisco Finesse
Sources
Also known as GHSA-39p5-5v55-q2j7.