Security readout for executives and security teams
Plain-English summary
Apache CloudStack deployments using affected baremetal functionality may allow an attacker to make the virtual router process malicious input as a shell command. The public record names all versions before 4.13.1.0 as affected and recommends upgrading. No CVSS score or confirmed active exploitation is provided in the supplied sources.
Executive priority
Treat this as a high-priority upgrade for any CloudStack baremetal deployment. The issue can lead to command execution in the virtual router context, but the supplied evidence does not confirm exploitation in the wild.
Technical view
The baremetal virtual router does not validate the mac parameter in a provision-completion path. Malicious shell metacharacters in that parameter can be processed by the v-router. Sources identify Apache CloudStack versions up to 4.13.0.0 as affected and 4.13.1.0 or later as the mitigation.
Likely exposure
Exposure is most likely in Apache CloudStack environments running versions before 4.13.1.0 with the baremetal component enabled and reachable by untrusted or poorly segmented network paths.
Exploitation context
The supplied sources describe arbitrary command processing through the mac parameter, but do not state active exploitation. CISA KEV status in the bundle is false, and no exploit maturity, authentication requirement, or public exploitation evidence is provided.
Researcher notes
The source title calls this a buffer overflow, while the description indicates command injection via insufficient mac parameter validation. Do not assume broader CloudStack exposure beyond versions and baremetal behavior named in the sources.
Mitigation direction
- Upgrade Apache CloudStack to 4.13.1.0 or later.
- Prioritize systems using the baremetal component or virtual router provisioning paths.
- Restrict network access to baremetal virtual router management endpoints during upgrade.
- Review Apache CloudStack vendor guidance for any deployment-specific hardening.
- Monitor virtual router and management logs for suspicious provisioning requests.
Validation and detection
- Inventory Apache CloudStack versions across all management and baremetal environments.
- Confirm whether any deployment runs versions up to 4.13.0.0.
- Determine whether the baremetal component is enabled or historically used.
- Review access controls around virtual router provisioning interfaces.
- Check logs for unusual mac parameter values or shell metacharacters.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2019-17562 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://lists.apache.org/thread.html/rcbaafc6ae1f32e8f1e5987c243a26faf83c5172348ee7c17a54ea7f9%40%3Cusers.cloudstack.apache.org%3ECVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.