Every CVE Search/ Get API key

CVE-2019-12303

Rancher code injection via fluentd config commands

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.98%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

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.

Record
CVE-2019-12303
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-74
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2019-12303
Updated
2026-11-02
EUVDEUVD-2022-2485 No score

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.

Record
EUVD-2022-2485
Updated
2026-11-03
GitHub AdvisoriesGHSA-53pj-67m4-9w98 8.8

Rancher code injection via fluentd config commands

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.

Record
GHSA-53pj-67m4-9w98
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-74
Updated
2026-11-02
OSV 8.8

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.

Record
CVE-2019-12303
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-53pj-67m4-9w98 8.8

Rancher code injection via fluentd config commands

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.

Record
GHSA-53pj-67m4-9w98
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-74
Updated
2026-11-02
OSVGO-2024-2762 No score

Rancher code injection via fluentd config commands in github.com/rancher/rancher

Rancher code injection via fluentd config commands in github.com/rancher/rancher

Record
GO-2024-2762
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/rancher/rancher
Go
2.0.0 to 2.2.3
2.2.4
github.com/rancher/rancher
Go
2.0.0 up to 2.2.4
2.2.4
github.com/rancher/rancher
Go
2.0.0+incompatible up to 2.2.4+incompatible
2.2.4+incompatible

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-12303 is a high vulnerability (CVSS 8.8) in Suse Rancher, published June 6, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. Fixed in github.com/rancher/rancher 2.2.4.

References

MoveEnter Open