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Fencer Intel
high 7.5

CVE-2024-3676 json

The Proofpoint Encryption endpoint of Proofpoint Enterprise Protection contains an Improper Input Validation vulnerability that allows an u…

published 2y ago modified 4mo ago also EUVD-2024-32251

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

The Proofpoint Encryption endpoint of Proofpoint Enterprise Protection contains an Improper Input Validation vulnerability that allows an unauthenticated remote attacker with a specially crafted HTTP request to create additional Encryption user accounts under the attacker's control.  These accounts are able to send spoofed email to any users within the domains configured by the Administrator.

Patch / fix

  • Proofpoint Enterprise Protection patch 4868, patch 4869, patch 4870, patch 4871, patch 4872
  • proofpoint enterprise_protection patch_4868, patch_4869, patch_4870
  • prootpoint enterprise_protection patch_4871, patch_4872

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Proofpoint Enterprise Protection
  • proofpoint enterprise_protection
  • prootpoint enterprise_protection

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.