What’s Vulnerable › Vulnerabilities
CVE-2026-20220: Cisco Crosswork Network Controller Remote Code Execution Vulnerability
- Severity: medium (CVSS 6.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-17 · updated 2026-10-26
- Weakness: CWE-74
Description
A vulnerability in the web-based management interface of Cisco Crosswork Network Controller could allow an authenticated, remote attacker to execute arbitrary commands on an affected device. This vulnerability is due to insufficient input validation in the configuration template engine of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system in limited areas of the file system. This vulnerability affects only areas of the operating system for which the template user has write permissions. To exploit this vulnerability, the attacker must have valid template user credentials with write permissions. Template users with read permissions cannot exploit this vulnerability.
Affected products
- Cisco Crosswork Network Change Automation: before 7.1.3; 7.2.0 — fixed in 7.1.3
How to fix
Upgrade to a fixed version: Cisco Crosswork Network Change Automation 7.1.3. Check the vendor advisory for mitigations.
References
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