{"cve":"CVE-2014-4994","nvd":{"published":"2018-01-10T18:29:00.370","modified":"2026-06-17T00:10:53.217","status":"Modified","description":"lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":5.5},"cwes":["CWE-20"],"references":["http://www.openwall.com/lists/oss-security/2014/07/07/13","http://www.openwall.com/lists/oss-security/2014/07/17/5","http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html","http://www.openwall.com/lists/oss-security/2014/07/07/13","http://www.openwall.com/lists/oss-security/2014/07/17/5"],"products":["gyazo_project:gyazo"],"source":"nvd","synced_at":"2026-10-19T20:47:56.471723566+00:00"},"epss":{"cve":"CVE-2014-4994","score":0.00477,"percentile":0.41213,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6x45-86q6-rcmr","url":"https://osv.dev/vulnerability/GHSA-6x45-86q6-rcmr","summary":"Gyazo allows local users to write arbitrary files","modified":"2023-11-08T03:57:42.589808Z","packages":[{"ecosystem":"RubyGems","name":"gyazo","purl":"pkg:gem/gyazo","ranges":[">=1.0.0 <2.0.0"],"fixed":["2.0.0"]}]}],"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."]}