← gociux.comall exploited CVEs

Exploited vulnerability · CISA KEV

Is CVE-2016-7836 exploited? Yes: in CISA KEV since 14 Oct 2025

Gociux · SKYSEA Client View · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2016-7836, SKYSEA Client View Improper Authentication Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 14 Oct 2025, 3049 days after it was published. It affects SKYSEA Client View. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 14 Oct 2025
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity9.8CVSS 3.1 · critical
US federal due4 Nov 2025BOD 22-01 deadline

What it is

SKYSEA Client View contains an improper authentication vulnerability that allows remote code execution via a flaw in processing authentication on the TCP connection with the management console program.

VendorSKYSEA (1 exploited CVE in KEV)
ProductClient View
VulnerabilitySKYSEA Client View Improper Authentication Vulnerability
WeaknessCWE-287
Published9 Jun 2017
Added to KEV14 Oct 2025
Reported by (CNA)jpcert

What to do

  1. Check whether you run it. Look for Client View in your asset inventory, including appliances and cloud images. Stack check lists every exploited SKYSEA CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 9 Jun 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for SKYSEA.

References

Questions

Is CVE-2016-7836 being exploited?

Yes. CISA added CVE-2016-7836 to the Known Exploited Vulnerabilities catalog on 14 Oct 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2016-7836 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2016-7836?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check SKYSEA's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Client View and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in October 2025 · act-now radar.

Running SKYSEA in a regulated environment?

We check exposure across your estate, patch or mitigate with your team, and set up detection for what attackers do after exploiting it.

Get in touch →