XSS in Cisco Data Center Network Manager

CVE-2020-3349

Multiple vulnerabilities in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface on an affected device. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a customized link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive browser-based information.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3349?
CVE-2020-3349 is a medium-severity vulnerability in Cisco Data Center Network Manager, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-07-16.
How severe is CVE-2020-3349?
Medium severity. CVSS v3 base score is 4.8 out of 10.