SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-6371

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.

EXPLOITHIGH 7.5EPSS 4.68%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 4.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.68% probability · 92th percentile
Public exploits
1 in Exploit-DB · first 28 February 2017
CISA KEV
Not listed
Affected
synchro/bbs
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 4.68%27 October 202627 October 2026

EPSS 4.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-41475source ↗Synchronet BBS 3.16c - Denial of Servicewindows · Peter Barisdos28 February 2017no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.