CVE-2021-36313
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedDell EMC CloudLink 7.1 and all prior versions contain an OS command injection Vulnerability. A remote high privileged attacker, may potentially exploit this vulnerability, leading to the execution of arbitrary OS commands on the application's underlying OS, with the privileges of the vulnerable application. Exploitation may lead to a system take over by an attacker. This vulnerability is considered critical as it may be leveraged to completely compromise the vulnerable application as well as the underlying operating system. Dell recommends customers to upgrade at the earliest opportunity.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceOS command injection vulnerability in Dell EMC CloudLink 7.1 and all prior versions allows a remote high-privileged attacker to execute arbitrary OS commands on the application's underlying operating system with the privileges of the vulnerable application, potentially leading to complete system takeover.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 7.1.1CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify if Dell CloudLink is installedCheck for CloudLink installation directories, services, or application indicators on the system. Look for Dell CloudLink services running or installation paths containing 'cloudlink' in the name.Affected if Dell CloudLink software is present on the system
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Determine the installed CloudLink versionLocate version information through the CloudLink application interface, configuration files, installed package information, or service metadata. Check product documentation for version file locations if available.Affected if The installed version is < 7.1.1 (including 7.1 and all prior versions)
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Verify the vulnerable component is accessibleDetermine if the web interface, API, or management interface that contains the command injection vulnerability is accessible to network clients. Check if remote management features are enabled.Affected if Remote management or API interfaces are exposed and accessible to network users
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Confirm high-privileged user access existsReview user accounts with administrative or high-privileged access to the CloudLink application. The vulnerability requires a high-privileged attacker to exploit.Affected if High-privileged user accounts exist in the CloudLink system
The environment is affected if Dell CloudLink version 7.1 or any prior version (< 7.1.1) is installed with accessible management interfaces that can be reached by high-privileged users.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped7.1.1
Dell recommends upgrading to the latest version of CloudLink at the earliest opportunity; organizations should prioritize patching given the critical nature of command injection and potential for full system compromise.
CloudLink 7.1.1 or later
- Identify the current CloudLink version installed in your environment
- Download Dell EMC CloudLink version 7.1.1 or later from the Dell support portal
- Follow Dell's standard upgrade procedure for CloudLink, ensuring backups are performed before upgrading
- After upgrade, verify the new version is 7.1.1 or higher
- Confirm the application is functioning normally post-upgrade
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-36313 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2021-36313 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data