CVE-2016-7836KEV · OVERDUE

SKYSEA Client View Improper Authentication Vulnerability

Critical · published June 9, 2017

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 97.3th percentile for exploit probability.

352
days past CISA
deadline
CVSS v3.1
9.8
EPSS
19%
Percentile
97.3
In the wild
Confirmed
What it is

🚨 A misstep in TCP connection management has opened the floodgates for remote code execution in SKYSEA Client View! 🔥 Think of it like a hotel with a poorly managed front desk—anyone can walk in and claim to be a guest without verification, gaining access to all the rooms and services without a second thought. 🏨 An attacker could gain full control over the system, executing arbitrary code as if they were an authorized user. This could lead to unauthorized data access, system manipulation, or even complete takeover of sensitive environments—a truly devastating scenario!

Put simply

Think of it like a hotel with a poorly managed front desk—anyone can walk in and claim to be a guest without verification, gaining access to all the rooms and services without a second thought. 🏨 This vulnerability in SKYSEA Client View allows attackers to execute arbitrary code through a flaw in the authentication process on TCP connections with the management console program.

What to do

An attacker could gain full control over the system, executing arbitrary code as if they were an authorized user. This could lead to unauthorized data access, system manipulation, or even complete takeover of sensitive environments—a truly devastating scenario! Immediately update to version 11.221.04 or later to patch this critical vulnerability. Additionally, review your network security practices to ensure proper authentication and access controls are in place. You've got this! With these steps, you'll lock things down tight. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.19230 · 97.3th percentile
Published
2017-06-09T16:00Z
KEV added
2025-10-14 · due 2025-11-04
EPSS history
Timeline
  • 14 OCT 00:00Z
    Added to CISA KEV — remediate by Nov 4
    kev
  • 09 JUN 16:00Z
    SKYSEA Client View Ver.11.221.03 and earlier allows remote code execution via a flaw in processing authentication on the TCP connection with the management…
    cvelistv5