CVE-2021-39304
mediumpriority · track · 30EPSS 0.010 · 63 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.01% (63rd) EPSS
CVSS 5 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.
01
cvss
Technical severity, 0–10. One row per scoring source.
7.5
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
02
weaknesses
The CWE weakness classes this flaw belongs to.
No weakness (CWE) mapping recorded.
03
affected products (2)
Products and version ranges known to be affected.
- proofpoint enterprise protection8.12.0-2107140000 → 8.12.0-2108090000nvdUScpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:*:*:*:*
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
published 2021-10-13modified 2026-06-17
06
references (7)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-39304cnnvd
- https://www.proofpoint.com/us/blogcnnvd
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0007cnnvd
- https://www.proofpoint.com/us/blogenisa_euvd
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0007enisa_euvd
- https://www.proofpoint.com/us/blogVendor Advisorynvd
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0007Vendor Advisorynvd
scry
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