Incorrect default permissions in mig-controller
Priority LOW 29CWE-276Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
An incorrect default permissions vulnerability was found in the mig-controller. Due to an incorrect cluster namespaces handling an attacker may be able to migrate a malicious workload to the target cluster, impacting confidentiality, integrity, and availability of the services located on that cluster.
Why it matters now
EPSS 0.00564 47th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | mig-controller | konveyor/mig-controller release-1.5.2, konveyor/mig-controller release-1.6.3 | — | No fix listed | CNA |
- mig-controller Vendor— Affected konveyor/mig-controller release-1.5.2, konveyor/mig-controller release-1.6.3 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:konveyor:mig-controller:*:*:*:*:*:*:*:* | before 1.5.2; 1.6.0 to before 1.6.3 | Vulnerable | Konveyor |
| cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:a:redhat:migration_toolkit:1.5:*:*:*:*:containers:*:* | 1.5 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:migration_toolkit:1.6:*:*:*:*:containers:*:* | 1.6 | Vulnerable | Red Hat |
- cpe:2.3:a:konveyor:mig-controller:*:*:*:*:*:*:*:* Versions before 1.5.2; 1.6.0 to before 1.6.3 Vulnerable ·Konveyor
- cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:a:redhat:migration_toolkit:1.5:*:*:*:*:containers:*:* Versions 1.5 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:migration_toolkit:1.6:*:*:*:*:containers:*:* Versions 1.6 Vulnerable ·Red Hat
Remediation
Red Hat 2 advisories
- RHSA-2022:0202 Released 2022-01-20 · Red Hat rating ModerateMigration Toolkit for Containers (MTC) 1.6.3 security and bug fix update
- 8Base-RHMTC-1.6 rhmtc/openshift-migration-controller-rhel8
- RHSA-2021:4848 Released 2021-11-29 · Red Hat rating ModerateMigration Toolkit for Containers (MTC) 1.5.2 security update and bugfix advisory
- 8Base-RHMTC-1.5 rhmtc/openshift-migration-controller-rhel8, rhmtc/openshift-migration-ui-rhel8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| 8Base-RHMTC-1.5 | Fixed | RHSA-2021:4848 |
| 8Base-RHMTC-1.6 | Fixed | RHSA-2022:0202 |
Not affected: 3 products
- 7Server-RHMTC-1.5
- 8Base-RHMTC-1.5
- 8Base-RHMTC-1.6
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3948
- 2026-10-03 Alias added: GHSA-6g8x-w285-c7m5
References
Sources
- CVE-2021-3948 · CVE Program
- CVE-2021-3948 · NVD
- FIRST EPSS
- GHSA-6g8x-w285-c7m5 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-3948 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences