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E3 Site Supervisor Control (firmware version < 2.31F01) contains a hidden API call in the application services that enables SSH and Shellinabox, which exist but are disabled by default. An attacker with admin access to the application services can utilize this API to enable remote access to the underlying OS.

CVE-2025-52548 is a medium-severity vulnerability affecting Copeland LP's E3 Supervisory Control firmware versions prior to 2.31F01. The vulnerability arises from a hidden API call within the application services that can enable SSH and Shellinabox remote access services, which are present but disabled by default. An attacker who already has administrative privileges within the application services can exploit this API to activate these remote access mechanisms, thereby gaining direct remote access to the underlying operating system. This escalation effectively broadens the attack surface by exposing the OS-level interface remotely, potentially allowing further unauthorized actions such as system manipulation, data exfiltration, or persistence establishment. The vulnerability is classified under CWE-1242, which relates to improper control of a resource through hidden or undocumented functionality. The CVSS v4.0 base score is 6.9, reflecting a medium severity rating. The vector indicates network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:H means high privileges required, so this is a contradiction in the vector; however, the description clarifies admin access is needed), no user interaction (UI:N), and high impact on integrity (VI:H) but no impact on confidentiality or availability. No known exploits are reported in the wild, and no patches have been linked yet. The vulnerability requires the attacker to have administrative access to the application services, which limits the initial attack surface but poses a significant risk if such access is obtained, as it allows enabling remote OS access that was previously disabled.

Detailed information about CVE-2025-52548: CWE-1242 in Copeland LP E3 Supervisory Control affecting Copeland LP E3 Supervisory Control. Get real-time updates, t

CVE-2025-52548: CWE-1242 in Copeland LP E3 Supervisory Control - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-52548: CWE-1242 in Copeland LP E3 Supervisory Control

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