UpHeron
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Servers and applications

CVE-2019-12303

In Rancher 2 through 2.2.3, Project owners can inject additional fluentd configuration to read files or execute arbitrary commands inside the fluentd container.

Severity
High 8.8
Published
6 Jun 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2% in the next 30 daysHigher than 80% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Injection (CWE-74)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
RancherServers and applications · cpe:a:suse:rancher
  • From 2.0.0 up to 2.2.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-12303
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-12303