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CVE-2017-6371

30
FAUCET Score

CVE-2017-6371 describes a denial-of-service vulnerability in Synchronet BBS 3.16c for Windows, where a remote attacker can crash the service by sending a crafted HTTP Referer header containing an excessively long string. This vulnerability carries a high CVSS score of 7.5, indicating a severe impact on availability with low attack complexity and no user interaction required. While not listed on CISA's KEV catalog, an exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.16cCPE matchmatch criteria
cpe:2.3:a:synchro:bbs:3.16c:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.68%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-41475 · Feb 28, 2017
This CVE's current EPSS score of 0.0468 is in the 84th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/141396/Synchronet-BBS-3.16c-For-Windows-Denial-Of-Service.html
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/41475
ExploitThird Party AdvisoryVDB Entry