CVE-2018-8065
An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24. There is a...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-8065- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-8065- Updated
- 2026-11-02
EUVDEUVD-2018-19747 No score
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.
- Record
EUVD-2018-19747- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f79v-qgfc-86w3
An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24. There is a...
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.
- Record
GHSA-f79v-qgfc-86w3- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Flexense HTTP Server 10.6.24 - Buffer Overflow (DoS) (Metasploit) | 2023-05-31 |
| Metasploit | Flexense HTTP Server Denial Of Service | 2018-03-09 |
| PoC in GitHub | EgeBalci/CVE-2018-8065 | 2018-05-25 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8065 is a high vulnerability (CVSS 7.5) in Flexense Syncbreeze, published March 12, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 75.9%, the 99th percentile. No source names a fixed version.