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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
VendorProductVersion
proofpointenterprise_protection
𝑥
≤ 8.9.22
proofpointenterprise_protection
𝑥
≤ 8.14.2
𝑥
= Vulnerable software versions
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