CVE-2017-6371

HIGH

Synchronet BBS 3.16c - Denial of Service via HTTP Referer Header

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-6371. PoCs published by Peter Baris.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Synchronet BBS 3.16c for Windows by sending a maliciously crafted HTTP request with an oversized 'Referer' header. The exploit attempts to trigger a Denial of Service (DoS) by repeatedly sending the payload in multiple waves.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Peter Baris · pythondoswindows
https://www.exploit-db.com/exploits/41475

This exploit targets a buffer overflow vulnerability in Synchronet BBS 3.16c for Windows by sending a maliciously crafted HTTP request with an oversized 'Referer' header. The exploit attempts to trigger a Denial of Service (DoS) by repeatedly sending the payload in multiple waves.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Synchronet BBS 3.16c for Windows
No auth needed
Prerequisites: Network access to the target system · Target service running and accessible on port 80
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/41475/

Scores

CVSS v3 7.5
EPSS 0.0468
EPSS Percentile 90.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (1)
synchro/bbs 3.16c
Published Feb 27, 2020
Tracked Since Feb 18, 2026