CWE-293: Using Referer Field for Authentication

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The referer field in HTTP requests can be easily modified and, as such, is not a valid means of message integrity checking.

What the weakness is: CWE-293 at MITRE. OWASP Top 10: A07:2025 Authentication Failures

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Explain CWE-293: Using Referer Field for Authentication and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/293.html and https://cve.bz/cve/cwe/293?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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9.8CVE-2023-20025EPSS 1.6%2023-01-20
A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, and RV082 Routers could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is …