Actively exploited in the wild. This CVE is on the CISA Known Exploited Vulnerabilities list — treat remediation as urgent. Federal remediation due by 4 Nov 2025.
Skysea Client ViewApplication · Skygroup

CVE-2016-7836

CRITICAL · 9.8 CVSS v3.1 Published 2017-06-09
Fix available
A fix is available. Upgrade to after 11.221.03 or later.
See remediation →
100/100
Remediation priority · Urgent
In the wild Public exploit Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
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 console program.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

SKYSEA Client View versions 11.221.03 and earlier contain a critical authentication flaw in TCP connection processing with the management console program, allowing remote attackers to execute arbitrary code without valid credentials.

MitigationUpgrade SKYSEA Client View to a version newer than 11.221.03 that addresses the authentication bypass vulnerability; if immediate patching is not possible, restrict network access to the management console port using firewalls or network segmentation.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Skysea Client ViewApplication
Affected:<= 11.221.03

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the installed SKYSEA Client View version
    Locate SKYSEA Client View in the system installed programs list or check the product version through its built-in about or help function
    Affected if The installed version is 11.221.03 or any earlier version number
  2. Confirm the management console TCP service is running
    Check if the SKYSEA management console service is actively listening on its TCP port by reviewing running services or network listener status
    Affected if The management console service is enabled and listening on a TCP port, exposing the authentication mechanism
  3. Verify network accessibility of the management console
    Determine if the management console port is bound to a network interface that is reachable from other systems, rather than localhost only
    Affected if The management console TCP port is accessible from network hosts, increasing exposure to remote attack vectors
  4. Review management console authentication configuration
    Examine the authentication settings for the management console to confirm whether proper authentication enforcement is in place
    Affected if Authentication is disabled, weak, or improperly handled on the management console TCP connections

Your environment is affected if SKYSEA Client View version 11.221.03 or earlier is installed AND the management console TCP service is accessible with improper authentication configuration.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to a release after 11.221.03
Interim mitigation

Upgrade SKYSEA Client View to a version newer than 11.221.03 that addresses the authentication bypass vulnerability; if immediate patching is not possible, restrict network access to the management console port using firewalls or network segmentation.

Fix this in Skysea Client View Exploited in the wild — priority engagement
  • Consultation4.0 h
  • Implementation4.0 h
  • Testing6.0 h
  • Review / QA3.0 h
17.0 hours of engineering $2,960
Get it fixed fast

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,736.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2016-7836 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2016-7836 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data