CVE-2021-3948
CVE-2021-3948 is a medium-severity vulnerability in Redhat Migration Toolkit with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-276
- Affected product: Redhat Migration Toolkit
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-3948?
- 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.
- How severe is CVE-2021-3948?
- CVE-2021-3948 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2021-3948 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-3948?
- CVE-2021-3948 primarily affects Redhat Migration Toolkit. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-3948?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-3948 published?
- CVE-2021-3948 was published on 2022-02-18 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:konveyor:mig-controller:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:migration_toolkit:1.5:*:*:*:*:containers:*:*
- cpe:2.3:a:redhat:migration_toolkit:1.6:*:*:*:*:containers:*:*
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