Proofpoint Enterprise Protection before 18.8.0 allows a Bypass of a Security Control.
Priority LOW 20CWE-693Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-693.
Summary
Proofpoint Enterprise Protection before 18.8.0 allows a Bypass of a Security Control.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0046 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:*:*:*:* | before 18.8.0 | Vulnerable | Proofpoint |
- cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:*:*:*:* Versions before 18.8.0 Vulnerable ·Proofpoint
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31608
- 2026-10-03 Alias added: GHSA-wr5x-h3hw-v3xg
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-2019-14178 A file-extension filtering vulnerability in Proofpoint Enterprise Protection (PPS / PoD)… 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
Sources
- CVE-2021-31608 · CVE Program
- CVE-2021-31608 · NVD
- FIRST EPSS
- GHSA-wr5x-h3hw-v3xg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences