CVE-2023-20179

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-27 · updated 2026-06-17
Weakness: CWE-80

Description

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to inject HTML content. This vulnerability is due to improper validation of user-supplied data in element fields. An attacker could exploit this vulnerability by submitting malicious content within requests and persuading a user to view a page that contains injected content. A successful exploit could allow the attacker to modify pages within the web-based management interface, possibly leading to further browser-based attacks against users of the application.

Affected products

Cisco Sd-Wan Vmanage: before 20.6.6; from 20.7 before 20.10 — fixed in 20.10, 20.6.6

How to fix

Upgrade to a fixed version: Cisco Sd-Wan Vmanage 20.10, 20.6.6. Check the vendor advisory for mitigations.

References

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