CVE-2019-12303
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.
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
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 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV: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 High
CVSS: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 High
CVSS: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 High
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
github.com/rancher/rancherGo |
2.0.0 to 2.2.3 | 2.2.4 |
github.com/rancher/rancherGo |
2.0.0 up to 2.2.4 | 2.2.4 |
github.com/rancher/rancherGo |
2.0.0+incompatible up to 2.2.4+incompatible | 2.2.4+incompatible |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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.