CVE-2021-23718: Server-Side Request Forgery (SSRF)

November 22, 2021 (updated December 15, 2021)

The package ssrf-agent is vulnerable to Server-side Request Forgery (SSRF) via the defaultIpChecker function. It fails to properly validate if the IP requested is private.

References

github.com/welefen/ssrf-agent/blob/cec2b85fe8886ad6926a247a3e059d8369ec022b/index.js%23L13
nvd.nist.gov/vuln/detail/CVE-2021-23718
snyk.io/vuln/SNYK-JS-SSRFAGENT-1584362

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