🟢 CVE-2016-7836

CVE-2016-7836 is a critical remote code execution (RCE) vulnerability affecting SKYSEA Client View (an IT asset management software) versions 11.221.03 and earlier ^[1].

Vulnerability Overview

• Impact: Successful exploitation allows a remote, unauthenticated attacker to execute arbitrary code on the target system with high privileges (often SYSTEM), leading to total compromise of the host?id.102194?kagi_q=CVE-2016-7836+details.
• Method: The vulnerability stems from a flaw in how the management console program processes authentication over TCP connections ^[1]. It does not require user interaction or authentication to exploit?id.102194?kagi_q=CVE-2016-7836+details.
• Status: It is listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog.

Exploitation and Threat Actor Usage

• Active Exploitation: The vulnerability has been actively exploited in the wild. Notably, it was used by the China-linked threat actor group known as Tick (also associated with other Japanese software targeting) to compromise corporate systems and steal data.
• Targeting: The group's activity has historically focused on entities aligned with Japan’s industrial and defense sectors.
• Exploit Availability: Public reports indicate that exploitation is considered "easy" and that exploit code has been available?id.102194?kagi_q=CVE-2016-7836+details.

Mitigation and Patch Status

• Affected Versions: SKYSEA Client View version 11.221.03 and earlier ^[1].
• Remediation: Users are strongly advised to update to the latest available version of SKYSEA Client View provided by the vendor, Sky Co., LTD ^[2]. If patching is not immediately possible, organizations should isolate affected systems, particularly those exposed to global IP address environments.