CVE-2016-7836
CriticalExploitedPublic exploitSKYSEA 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.
Published Jun 9, 2017 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2016-7836 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting SKYSEA Client View (Skygroup).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 12, 2017. Public exploit code is available.
- EPSS estimates a 19% probability of exploitation in the next 30 days.
- Fixed versions are available, including SKYSEA Client View 11.221.03.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
19%
Higher than 97.3% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Oct 14, 2025 | Nov 4, 2025 | Not reported |
| Industry KEV feed | Oct 12, 2017 | Nov 4, 2025 | Not reported |
| CIRCL KEV | Oct 14, 2025 | Nov 4, 2025 | Not reported |
| ENISA EUVD | Oct 14, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SKYSEA Client ViewSkygroup | >= Ver.11.221.03 and earlier | 11.221.03 |
Patched Releases
SKYSEA Client View
11.221.03
Timeline
Publicly disclosed
Jun 9, 2017
Added to Industry KEV feed
Oct 12, 2017
Added to CISA KEV
Oct 14, 2025
Added to CIRCL KEV
Oct 14, 2025
Added to ENISA EUVD
Oct 14, 2025
Last updated
Apr 22, 2026
Weakness Type
- CWE-287 Improper Authentication
References
- advisoryJVN#84995847
- advisory95062
- advisoryhttp://www.skyseaclientview.net/news/161221/
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: SKYSEA Client View (Skygroup) versions >= Ver.11.221.03 and earlier. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 12, 2017.
Yes. It was added on Oct 14, 2025 with a federal remediation due date of Nov 4, 2025.
Public exploit code is available.
Fixed versions are available, including SKYSEA Client View 11.221.03.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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