CVE-2019-19680

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.

Summary:

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.

Reference Links(if available):

  • https://www.proofpoint.com/us/security/cve-2019-19680
  • https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2020-0001
  • CVSS Score (if available)

    v2: 6.8 / MEDIUM
    AV:N/AC:M/Au:N/C:P/I:P/A:P

    v3: 8.8 / HIGH
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

    Links to Exploits(if available)