PatchSiren cyber security CVE debrief
CVE-2026-71171 Dell CVE debrief
Dell Cloud Disaster Recovery versions 20.2 and prior contain an OS Command Injection vulnerability in the REST API. A high-privileged attacker with remote access could exploit this vulnerability, leading to remote execution. This vulnerability exists due to improper neutralization of special elements used in OS commands. Affected systems require immediate attention to prevent potential remote execution attacks. Administrators should review vendor guidance and implement necessary mitigations.
- Vendor
- Dell
- Product
- Cloud Disaster Recovery
- CVSS
- HIGH 7.2
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-26
- Original CVE updated
- 2026-09-03
- Advisory published
- 2026-08-26
- Advisory updated
- 2026-09-03
Who should care
Administrators of Dell Cloud Disaster Recovery systems, security teams, IT professionals responsible for vulnerability management, and operators managing affected systems. These stakeholders should assess their exposure, review vendor guidance, and implement necessary mitigations to prevent potential remote execution attacks. Vulnerability management teams should prioritize patching based on the high CVSS score and potential impact on system security. Additionally, operators and IT professionals should verify system configurations and review vendor advisories for specific guidance on affected scope and remediation steps. Security teams should also monitor for suspicious activity and implement compensating controls where necessary. Affected stakeholders must work together to ensure timely patching and mitigation of this vulnerability to prevent potential security breaches. Dell Cloud Disaster Recovery system administrators should coordinate with their security teams to assess and mitigate this vulnerability promptly. IT professionals responsible for vulnerability management should prioritize patching based on the high CVSS score and potential impact on system security. Operators managing affected systems should verify system configurations and review vendor advisories for specific guidance on affected scope and remediation steps. Security teams should monitor for suspicious activity and implement compensating controls where necessary to prevent potential remote execution attacks. The coordination between these stakeholders is crucial to prevent potential security breaches and ensure the security of Dell Cloud Disaster Recovery systems. All these stakeholders must work together to assess their exposure, review vendor guidance, and implement necessary mitigations to prevent potential remote execution attacks. They should also prioritize patching based on the high CVSS score and potential impact on system security, verify system configurations, review vendor advisories, and monitor for suspicious activity to prevent potential security breaches. The affected stakeholders should also implement compensating controls where necessary to prevent potential remote execution
Technical summary
The vulnerability exists in the REST API of Dell Cloud Disaster Recovery versions 20.2 and prior. An attacker with high privileges and remote access could exploit this vulnerability by injecting special elements into OS commands, potentially leading to remote execution. This vulnerability is a result of improper input validation and sanitization in the affected software. To mitigate this vulnerability, it is essential to apply vendor-provided security updates and monitor for suspicious activity.
Defensive priority
High priority due to high CVSS score and potential for remote execution
Recommended defensive actions
- Inventory and assess Dell Cloud Disaster Recovery systems for version 20.2 and prior
- Apply vendor-provided security updates
- Monitor for suspicious activity
- Implement compensating controls
- Verify remote access restrictions
Evidence notes
Evidence from official CVE Program record and NIST NVD detail page. Limited details on affected scope and vendor remediation. Dell Cloud Disaster Recovery versions 20.2 and prior are affected. Administrators should verify system configurations and review vendor advisories for specific guidance. Evidence is based on CVE Program and NVD data, which may have limitations.
Sources and references
Verified primary and authoritative sources
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CVE-2026-71171 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-71171
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-71171 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-71171
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://www.dell.com/support/kbdoc/en-us/000500898/dsa-2026-353-security-update-for-cloud-disaster-recovery-vulnerabilities
[email protected] - Vendor Advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.