CVE-2024-3676

HIGH

7.5

CVSS Score

Published: May 14, 2024 at 07:07 PM UTC

Updated: June 17, 2026 at 07:44 AM UTC

2 products affected across 2 vendorsEnterprise ProtectionEnterprise Protection

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Severity

HIGH7.5

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Enterprise Protection · Proofpoint

95%

8.18.6 ≤ v < patch 48688.18.6 ≤ v < patch_48688.20.0 ≤ v < patch 48698.20.0 ≤ v < patch_48698.20.2 ≤ v < patch 48708.20.2 ≤ v < patch_48708.20.4 ≤ v < patch 48718.21.0 ≤ v < patch 48718.18.6 8.20.0 8.20.2 8.20.4 8.21.0

Affected range stops below patch 4868, so it looks safe — our inference, not a vendor statement

Affected range stops below patch 4869, so it looks safe — our inference, not a vendor statement

Affected range stops below patch 4870, so it looks safe — our inference, not a vendor statement

Affected range stops below patch 4871, so it looks safe — our inference, not a vendor statement

Enterprise Protection · Prootpoint

80%

8.20.4 ≤ v < patch_48718.21.0 ≤ v < patch_48728.20.4 8.21.0

Affected range stops below patch_4871, so it looks safe — our inference, not a vendor statement

Affected range stops below patch_4872, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2024-0002

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHProofpoint

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-20

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