A file-extension filtering vulnerability in Proofpoint Enterprise Protection (PPS / PoD)…
Priority MEDIUM 40Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.01053 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:lts:*:*:* | up to 8.9.22 | Vulnerable | Proofpoint |
| cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:-:*:*:* | up to 8.14.2 | Vulnerable | Proofpoint |
- cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:lts:*:*:* Versions up to 8.9.22 Vulnerable ·Proofpoint
- cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:-:*:*:* Versions up to 8.14.2 Vulnerable ·Proofpoint
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19680
- 2026-10-03 Alias added: GHSA-55p9-4mmc-9c74
References
More Proofpoint Enterprise Protection vulnerabilities
- TI-2023-00086 Proofpoint Enterprise Protection webservices unauthenticated RCE CVSS 3.1CRITICAL 9.8
- TI-2022-22879 Proofpoint Enterprise Protection (PPS/PoD) XSS in "Attachment Names" CVSS 3.1CRITICAL 9.6
- TI-2023-00085 Proofpoint Enterprise Protection webutils authenticated RCE CVSS 3.1HIGH 8.8
- TI-2022-22880 Proofpoint Enterprise Protection perl eval() arbitrary command execution CVSS 3.1HIGH 7.2
- TI-2022-22881 Proofpoint Enterprise Protection Local Privilege Escalation CVSS 3.1HIGH 7.8
- TI-2021-16677 Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass. CVSS 3.1HIGH 7.5
Sources
- CVE-2019-19680 · CVE Program
- CVE-2019-19680 · NVD
- FIRST EPSS
- GHSA-55p9-4mmc-9c74 · GitHub Advisory Database · CC BY 4.0
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