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CVE-2023-34207

Unrestricted Upload of File with Dangerous Type in EasyUse MailHunter Ultimate

HIGH

8.8

CVSS Score

Published: October 17, 2023 at 03:35 AM UTC

Updated: June 17, 2026 at 06:03 AM UTC

2 products affected across 2 vendorsMailhunter UltimateMailHunter Ultimate

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Severity

HIGH8.8

Exploit prediction

EPSS 0.9%

SSVC

No known exploit

Description

Unrestricted upload of file with dangerous type vulnerability in create template function in EasyUse MailHunter Ultimate 2023 and earlier allows remote authenticated users to perform arbitrary system commands with ‘NT Authority\SYSTEM‘ privilege via a crafted ZIP archive.

Affected

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

Mailhunter Ultimate · Easyuse

95%

v ≤ 2023

MailHunter Ultimate · Easyuse Digital

60%

v ≤ 2023

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)

Third Party Advisory

Source: [email protected]

https://zuso.ai/Advisory/ZA-2023-04

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-434

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