{"id":"CVE-2020-36565","aliases":["EUVD-2022-7655","GHSA-j453-hm5x-c46w","GO-2021-0051","UBUNTU-CVE-2020-36565"],"status":"published","title":"Directory traversal on Windows in github.com/labstack/echo/v4","description":"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01413,"percentile":0.72934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2021-04-14T20:04:52Z","modified":"2026-10-20T10:54:22Z","fixes":[{"ecosystem":"Go","package":"github.com/labstack/echo/v4","fixed_in":["4.2.0","4.1.18-0.20201215153152-4422e3b66b9f"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/labstack/echo/v4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/labstack/echo/v4","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.2.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/labstack/echo/v4","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.1.18-0.20201215153152-4422e3b66b9f"}]}]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"golang-github-labstack-echo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.1-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"golang-github-labstack-echo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.11.1-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"golang-github-labstack-echo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"golang-github-labstack-echo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"golang-github-labstack-echo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0-1"]}],"products":[{"vendor":"github.com/labstack/echo/v4","product":"github.com/labstack/echo/v4"},{"vendor":"labstack","product":"echo"}],"references":[{"url":"https://github.com/labstack/echo/pull/1718","tags":["x_transferred","Exploit","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa","tags":["x_transferred","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://pkg.go.dev/vuln/GO-2021-0051","tags":["x_transferred","Release Notes","Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36565","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j453-hm5x-c46w"},{"url":"https://github.com/labstack/echo","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2020-36565","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-36565","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-36565","title":"Directory traversal on Windows in github.com/labstack/echo/v4","description":"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that 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to directory traversal","description":"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.","status":"published","published":"2022-12-07T18:30:26Z","modified":"2023-11-08T04:03:47.726196Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:49.977351Z"},{"id":"UBUNTU-CVE-2020-36565","description":"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.","status":"published","published":"2022-12-07T17:15:00Z","modified":"2026-10-17T12:56:14.124403986Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:25.179924Z"},{"id":"GO-2021-0051","title":"Directory traversal on Windows in github.com/labstack/echo/v4","description":"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.","status":"published","published":"2021-04-14T20:04:52Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:00.604718Z"}]}}