CVE-2020-3282 Cisco Unified Communications Products Cross-Site Scripting Vulnerability
Unauthenticated remote attackers can execute arbitrary script code or access sensitive information via XSS in Cisco Unified Communications web interfaces.
- 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-2020-3282?
CVE-2020-3282 is a medium-severity cross-site scripting vulnerability in Cisco Unified Communications Manager, published on 2 Jul 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 Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. 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 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 affected interface or access sensitive browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2020-3282?
It affects 3 products.
Products include Cisco Unified Communications Manager, Cisco Unified Communications Manager Im and Presence Service, Cisco Unity Connection.
How do I fix CVE-2020-3282?
No fix has been published for CVE-2020-3282 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-2020-3282 being exploited?
There is no known exploitation of CVE-2020-3282 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Communications Manager
- CVE-2026-20230 Cisco Unified Communications Manager Server-Side Request Forgery (SSRF)
- CVE-2026-20045 Cisco Unified Communications Products Code Injection
- CVE-2025-20309 Cisco Unified Communications Manager Static SSH Credentials Vulnerability
- CVE-2011-1643 Information disclosure in n/a
- CVE-2024-20253 Deserialization in Cisco Packaged Contact Center Enterprise
Sources
Also known as GHSA-fpfg-9g3r-ww3r.