CVE-2020-3464: Cisco UCS Director Stored Cross-Site Scripting Vulnerability

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-08-17 · updated 2026-06-17
Weakness: CWE-79

Description

A vulnerability in the web-based management interface of Cisco UCS Director could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability exists because the web-based management interface does not properly validate input. 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. To exploit this vulnerability, an attacker would need administrative credentials on the affected device.

Affected products

Cisco UCS Director: before 6.7.4.1 — fixed in 6.7.4.1

How to fix

Upgrade to a fixed version: Cisco UCS Director 6.7.4.1. Check the vendor advisory for mitigations.

References

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