CVE-2021-39304
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
- Record
CVE-2021-39304- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
- Record
CVE-2021-39304- Updated
- 2026-11-02
EUVDEUVD-2021-25665 No score
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
- Record
EUVD-2021-25665- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hc32-v5x9-vffx No score
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
- Record
GHSA-hc32-v5x9-vffx- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39304 is a high vulnerability (CVSS 7.5) in Proofpoint Enterprise Protection, published October 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.