7.5

CVE-2018-14568: suricata-ids suricata

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-14568DEBIAN-CVE-2018-14568
Published 23-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-14568 is a high (CVSS 7.5) vulnerability in suricata-ids suricata. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.00%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2025:15394-1

Timeline

  1. 23-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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).

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.00%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.03 pp

From 1.97% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Ids Bypass

    Maturity: poc

  • referenceUnverified

    Exploit Reference (redmine.openinfosecfoundation.org)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • suricata< 1:4.0.5-1
Suricata-ids1 product
Ubuntu1 product
  • suricataAll versions (No fix recorded)

3 vendors · 3 products

References

7 links