{"id":"CVE-2021-23718","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-23718","summary":"Server-Side Request Forgery in ssrf-agent","details":"The package ssrf-agent before 1.0.5 are vulnerable to Server-side Request Forgery (SSRF) via the defaultIpChecker function. It fails to properly validate if the IP requested is private.","published":"2021-12-02T17:51:51Z","modified":"2026-03-13T21:56:54.489864Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"ssrf-agent","fixedVersion":"1.0.5"}],"fix":{"url":"https://github.com/welefen/ssrf-agent/commit/9607175acd0647d821bae4e8fcc3b712aca3fd2d#diff-e727e4bdf3657fd1d798edcd6b099d6e092f8573cba266154583a746bba0f346","label":"welefen/ssrf-agent@9607175"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23718"},{"type":"WEB","url":"https://github.com/welefen/ssrf-agent/commit/9607175acd0647d821bae4e8fcc3b712aca3fd2d#diff-e727e4bdf3657fd1d798edcd6b099d6e092f8573cba266154583a746bba0f346"},{"type":"PACKAGE","url":"https://github.com/welefen/ssrf-agent"},{"type":"WEB","url":"https://github.com/welefen/ssrf-agent/blob/cec2b85fe8886ad6926a247a3e059d8369ec022b/index.js%23L13"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20211203-0005"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-SSRFAGENT-1584362"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-13T21:56:54.489864Z"}}