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Fencer Vulns
medium 6.8

CVE-2017-12610 json

Improper Authentication in Apache Kafka

published 2018-07-26 8 y ago modified 2026-06-17 4 mo ago also GHSA-xm78-4m3g-7wm7 , EUVD-2022-5820

cvss
6.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka.

Patch / fix

  • maven org.apache.kafka:kafka-clients 0.10.2.2, 0.11.0.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-12610 updated cvss 5.4

kafka: Clients authenticated with SASL/PLAIN or SASL/SCRAM can impersonate other users

  • Red Hat JBoss Fuse 6 kafka
    affected: no fix planned “Will not fix”
  • Red Hat Fuse 7 kafka Red Hat Mobile Application Platform 4 kafka Red Hat OpenShift Application Runtimes kafka
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.87% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.8 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 4.9 AV:N/AC:M/Au:S/C:P/I:P/A:N
GitHub 3.0 6.8 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.apache.kafka:kafka-clients
>=0.10.0.0, <0.10.2.2
>=0.11.0.0, <0.11.0.2
0.10.2.2
0.11.0.2

Affected products

  • Apache Software Foundation Apache Kafka

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.