CVE-2020-3439 Cisco Data Center Network Manager Stored Cross-Site Scripting Vulnerability
Authenticated attackers can inject malicious scripts into Cisco DCNM web interface, enabling arbitrary code execution or data theft.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-3439?
CVE-2020-3439 is a medium-severity cross-site scripting vulnerability in Cisco Data Center Network Manager, published on 26 Aug 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability is due to insufficient input validation by the web-based management interface. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in the interface. 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-2020-3439?
It affects 1 product.
Products include Cisco Data Center Network Manager.
How do I fix CVE-2020-3439?
No fix has been published for CVE-2020-3439 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-2020-3439 being exploited?
There is no known exploitation of CVE-2020-3439 in the wild and no public exploit code.
Other vulnerabilities in Cisco Data Center Network Manager
- CVE-2020-3382 Cisco Data Center Network Manager Authentication Bypass Vulnerability
- CVE-2019-15975 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities
- CVE-2019-15976 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities
- CVE-2019-15977 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities
- CVE-2019-1619 Cisco Data Center Network Manager Authentication Bypass Vulnerability
Sources
Also known as GHSA-hpf2-qwj9-g86h.