CVE-2019-3779
CVE-2019-3779 is a high-severity vulnerability in Cloudfoundry Container Runtime with a CVSS 3.x base score of 8.8. 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-264.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: Cloudfoundry Container Runtime
- Published:
- Last modified:
Description
Cloud Foundry Container Runtime, versions prior to 0.29.0, deploys Kubernetes clusters utilize the same CA (Certificate Authority) to sign and trust certs for ETCD as used by the Kubernetes API. This could allow a user authenticated with a cluster to request a signed certificate leveraging the Kubernetes CSR capability to obtain a credential that could escalate privilege access to ETCD.
Frequently asked questions
- What is CVE-2019-3779?
- Cloud Foundry Container Runtime, versions prior to 0.29.0, deploys Kubernetes clusters utilize the same CA (Certificate Authority) to sign and trust certs for ETCD as used by the Kubernetes API. This could allow a user authenticated with a cluster to request a signed certificate leveraging the Kubernetes CSR capability to obtain a credential that could escalate privilege access to ETCD.
- How severe is CVE-2019-3779?
- CVE-2019-3779 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-3779 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-3779?
- CVE-2019-3779 affects Cloudfoundry Container Runtime. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-3779?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-3779 published?
- CVE-2019-3779 was published on 2019-03-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cloudfoundry:container_runtime:*:*:*:*:*:*:*:*
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