{"cve":"CVE-2015-4640","nvd":{"published":"2015-06-19T14:59:01.347","modified":"2026-06-17T00:27:38.923","status":"Modified","description":"The SwiftKey language-pack update implementation on Samsung Galaxy S4, S4 Mini, S5, and S6 devices relies on an HTTP connection to the skslm.swiftkey.net server, which allows man-in-the-middle attackers to write to language-pack files by modifying an HTTP response.  NOTE: CVE-2015-4640 exploitation can be combined with CVE-2015-4641 exploitation for man-in-the-middle code execution.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-254"],"references":["http://arstechnica.com/security/2015/06/new-exploit-turns-samsung-galaxy-phones-into-remote-bugging-devices/","http://www.kb.cert.org/vuls/id/155412","http://www.securityfocus.com/bid/75347","https://github.com/nowsecure/samsung-ime-rce-poc/","https://www.nowsecure.com/blog/2015/06/16/remote-code-execution-as-system-user-on-samsung-phones/"],"products":["swiftkey:swiftkey_sdk"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-4640","score":0.00945,"percentile":0.61083,"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."]}