How severe is CVE-2018-8065?

CVE-2018-8065 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-8065 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8065?

CVE-2018-8065 affects Flexense Syncbreeze. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8065?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-8065 published?

CVE-2018-8065 was published on 2018-03-12 and last updated on 2026-06-17.

CVE-2018-8065

CVE-2018-8065 is a high-severity vulnerability in Flexense Syncbreeze with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 77% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 77% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Flexense Syncbreeze
Published: 2018-03-12
Last modified: 2026-06-17

Description

An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24. There is a user mode write access violation on the syncbrs.exe memory region that can be triggered by rapidly sending a variety of HTTP requests with long HTTP header values or long URIs.

Frequently asked questions

What is CVE-2018-8065?: An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24. There is a user mode write access violation on the syncbrs.exe memory region that can be triggered by rapidly sending a variety of HTTP requests with long HTTP header values or long URIs.
How severe is CVE-2018-8065?: CVE-2018-8065 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-8065 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8065?: CVE-2018-8065 affects Flexense Syncbreeze. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8065?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-8065 published?: CVE-2018-8065 was published on 2018-03-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flexense:syncbreeze:10.6.24:*:*:*:enterprise:*:*:*

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