Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-17196

30
FAUCET Score

CVE-2018-17196 is a high-severity vulnerability affecting Apache Kafka versions 0.11.0.0 through 2.1.0, allowing authenticated clients with Write permissions to bypass transaction/idempotent ACL validation through a crafted Produce request. This network-exploitable flaw has a CVSS score of 8.8, indicating high impact on confidentiality, integrity, and availability, with low attack complexity and requiring low privileges. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.11.0.0, <= 2.1.0CPE matchmatch criteria
cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.48%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0548 is in the 91st percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.kafka:kafkaFixed in: 2.1.1

Vendor Advisories (2)

mavenGHSA-47w3-66wq-cpxghigh

Improper Input Validation in Apache Kafka

May 24, 2022
redhatCVE-2018-17196Important

kafka: potential to bypass transaction/idempotent ACL checks

Jul 11, 2019

References

lists.apache.org / thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
lists.apache.org / thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
lists.apache.org / thread.html/d1581fb6464c9bec8a72575c01f5097d68e2fbb230aff24622622a58%40%3Ccommits.kafka.apache.org%3E
lists.apache.org / thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
lists.apache.org / thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E
lists.apache.org / thread.html/r8890b8f18f1de821595792b58b968a89692a255bc20d86d395270740%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/rc27d424d0bdeaf31081c3e246db3c66e882243ae3f342dfa845e0261%40%3Ccommits.kafka.apache.org%3E
mail-archive.com / dev%40kafka.apache.org/msg99277.html
oracle.com / security-alerts/cpujul2020.html
oracle.com / security-alerts/cpuoct2020.html
securityfocus.com / bid/109139
Third Party Advisory