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CVE-2017-6371

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service...

7.5 HighPublic exploit

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service crash) via a long string in the HTTP Referer header.

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

4.68%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service crash) via a long string in the HTTP Referer header.

Record
CVE-2017-6371
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service crash) via a long string in the HTTP Referer header.

Record
CVE-2017-6371
Updated
2026-11-02
EUVDEUVD-2017-15431 No score

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service crash) via a long string in the HTTP Referer header.

Record
EUVD-2017-15431
Updated
2026-11-03
GitHub AdvisoriesGHSA-x6rf-89gq-x9hp 7.5

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service...

Synchronet BBS 3.16c for Windows allows remote attackers to cause a denial of service (service crash) via a long string in the HTTP Referer header.

Record
GHSA-x6rf-89gq-x9hp
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBSynchronet BBS 3.16c - Denial of Service2017-02-28

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-6371 is a high vulnerability (CVSS 7.5) in Synchro Bbs, published February 27, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.68%, the 91st percentile. No source names a fixed version.

References

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