What is CVE-2020-3591?

CVE-2020-3591 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2020-11-06.

How severe is CVE-2020-3591?

Medium severity. CVSS v3 base score is 4.3 out of 10.

XSS in Cisco Catalyst Sd-Wan Manager

CVE-2020-3591

A vulnerability in the web-based management interface of the Cisco SD-WAN vManage Software could allow an authenticated, remote attacker 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 user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted 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: 0.007 (50.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Cisco Catalyst_sd-wan_manager — versions 20.3.1
Cisco Sd-wan Vmanage — versions n/a
Cisco Sd-wan_vmanage

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3591?: CVE-2020-3591 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2020-11-06.
How severe is CVE-2020-3591?: Medium severity. CVSS v3 base score is 4.3 out of 10.