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Another SD-WAN Security SNAFU: SQL Injections in Cisco SD-WAN Admin Interface

Christoph Jaggi sent me a link to an interesting article describing security vulnerabilities pentesters found in Cisco SD-WAN admin/management code.

I’m positive the bugs have been fixed in the meantime, but what riled me most was the root cause: Little Bobby Tables (aka SQL injection) dropped by. Come on, it’s 2021, SD-WAN is supposed to be about building secure replacements for MPLS/VPN networks, and they couldn’t get someone who could write SQL-injection-safe code (the top web application security risk)?

Update 2021-09-24: OWASP released the 2021 version of their top-10 list, and Injection dropped to the third place on their list due to [emphasis mine]…

94% of the applications were tested for some form of injection with a max incidence rate of 19%, an average incidence rate of 3.37%, and the 33 CWEs mapped into this category have the second most occurrences in applications with 274k occurrences. Cross-site Scripting is now part of this category in this edition.

… which makes Cisco SD-WAN SNAFU look even worse in comparison.

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