HOMEVULNERABILITIESCVE-2018-14568
HIGH

CVE-2018-14568

NVD-CWE-noinfoPublished: July 23, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server. This allows detection bypass because Windows TCP clients proceed with normal processing of TCP data that arrives shortly after an RST (i.e., they act as if the RST had not yet been received).

NVD Source

Technical Analysis

CVE-2018-14568 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

suricata-ids1 product(s)
suricata
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/OISF/suricata/pull/3428/commits/843d0b7a10bb45627f94764a6c5d468a24143345
PATCHhttps://github.com/OISF/suricata/pull/3428/commits/843d0b7a10bb45627f94764a6c5d468a24143345
ADVISORYhttps://github.com/kirillwow/ids_bypass
ADVISORYhttps://redmine.openinfosecfoundation.org/issues/2501
ADVISORYhttps://suricata-ids.org/2018/07/18/suricata-4-0-5-available/
ADVISORYhttps://github.com/kirillwow/ids_bypass
ADVISORYhttps://redmine.openinfosecfoundation.org/issues/2501
ADVISORYhttps://suricata-ids.org/2018/07/18/suricata-4-0-5-available/

All References (8)

→
https://github.com/OISF/suricata/pull/3428/commits/843d0b7a10bb45627f94764a6c5d468a24143345Patch · Third Party Advisory
→
https://github.com/kirillwow/ids_bypassExploit · Third Party Advisory
→
https://redmine.openinfosecfoundation.org/issues/2501Exploit · Third Party Advisory
→
https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/Vendor Advisory
→
https://github.com/OISF/suricata/pull/3428/commits/843d0b7a10bb45627f94764a6c5d468a24143345Patch · Third Party Advisory
→
https://github.com/kirillwow/ids_bypassExploit · Third Party Advisory
→
https://redmine.openinfosecfoundation.org/issues/2501Exploit · Third Party Advisory
→
https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/Vendor Advisory

Quick Facts

CVE IDCVE-2018-14568
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJul 23, 2018

Related CVEs (NVD-CWE-noinfo)

CVE-2013-2472
10.0
CVE-2017-12542
10.0
CVE-2005-4200
10.0
CVE-2009-1422
10.0
CVE-2011-3167
10.0
CVE-2009-1899
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-14568 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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