{"cve":"CVE-2019-19680","nvd":{"published":"2020-01-13T21:15:11.120","modified":"2026-06-17T02:27:02.683","status":"Modified","description":"A file-extension filtering vulnerability in Proofpoint Enterprise Protection (PPS / PoD), in the unpatched versions of PPS through 8.9.22 and 8.14.2 respectively, allows attackers to bypass protection mechanisms (related to extensions, MIME types, virus detection, and journal entries for transmitted files) by sending malformed (not RFC compliant) multipart email.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["https://www.proofpoint.com/us/security/cve-2019-19680","https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2020-0001","https://www.proofpoint.com/us/security/cve-2019-19680","https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2020-0001"],"products":["proofpoint:enterprise_protection"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2019-19680","score":0.01053,"percentile":0.64379,"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."]}