{"cve":"CVE-2020-23171","nvd":{"published":"2021-08-10T17:15:07.000","modified":"2026-06-17T03:04:34.020","status":"Modified","description":"A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","score":5.5},"cwes":["CWE-610"],"references":["https://github.com/nim-lang/zip/issues/54","https://github.com/nim-lang/zip/issues/54"],"products":["nim-lang:nim-lang"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2020-23171","score":0.00656,"percentile":0.51417,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}