{"id":"CVE-2020-7748","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-7748","generatedAt":"2026-10-28T00:31:52.008Z","title":"This vulnerability relates to the deepExtend function which is used as part of the utils directory.","description":"This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","published":"2020-10-20T11:15:13.000Z","lastModified":"2026-06-17T03:25:23.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-1321"],"affected":["ts.ed project/ts.ed"],"epss":{"score":0.01721,"percentile":0.77319,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/TypedProject/tsed/blob/production/packages/core/src/utils/deepExtends.ts%23L36","tags":["Broken Link","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/TypedProject/tsed/commit/1395773ddac35926cf058fc6da9fb8e82266761b","tags":["Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://snyk.io/vuln/SNYK-JS-TSEDCORE-1019382","tags":["Exploit","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/TypedProject/tsed/blob/production/packages/core/src/utils/deepExtends.ts%23L36","tags":["Broken Link","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/TypedProject/tsed/commit/1395773ddac35926cf058fc6da9fb8e82266761b","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/vuln/SNYK-JS-TSEDCORE-1019382","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-7748","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}