CVE-2023-53949 HIGH

CVE-2023-53949: AspEmail 5.6.0.2 Local Privilege Escalation via Binary Permission Vulnerability

Vendor Aspemail
Product AspEmail
Weakness CWE-732
Published December 19, 2025
Last update May 14, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

AspEmail 5.6.0.2 contains a binary permission vulnerability that allows local users to escalate privileges through the Persits Software EmailAgent service. Attackers can exploit full write permissions in the BIN directory to replace the service executable and gain elevated system access.

Key dates

02Disclosure timeline

December 19, 2025 CVE published
May 14, 2026 Record updated