CVE-2026-23620
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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2Tags
Description
GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist() web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated user can supply an unrestricted filesystem path via the JSON key \"path\", which is URL-decoded and passed to File.Exists(), allowing the attacker to determine whether arbitrary files exist on the server.
Analysis
GFI MailEssentials AI versions before 22.4 expose a file enumeration vulnerability in the ListServer.IsDBExist() web method that allows authenticated users to probe arbitrary filesystem paths and determine file existence on the server. An attacker can exploit this by submitting unrestricted paths via the JSON "path" parameter, which are processed without validation, disclosing sensitive information about the server's filesystem structure. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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