Security readout for executives and security teams
Plain-English summary
Dell EMC CloudLink 7.1 and earlier have a critical command injection flaw. A remote attacker who already has high privileges could run operating-system commands as the vulnerable application, potentially taking over the CloudLink system and underlying OS.
Executive priority
Treat this as urgent for any CloudLink deployment. Although exploitation requires high privileges, the potential impact is system takeover, so remediation should be prioritized with other critical infrastructure-management risks.
Technical view
CVE-2021-36313 is CWE-74 OS command injection in Dell EMC CloudLink 7.1 and prior. CVSS 3.1 is 9.1, with network access, low complexity, high privileges required, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations running Dell EMC CloudLink 7.1 or earlier are exposed, especially where CloudLink management access is reachable over internal or remote networks by many privileged users or automation accounts.
Exploitation context
The provided sources do not show CISA KEV listing, active exploitation, public exploit availability, or detailed attack paths. Risk remains high because successful exploitation can execute OS commands and may fully compromise the application and host.
Researcher notes
Evidence is limited to the CVE record and Dell reference. The affected range is clear, but source data does not name a specific fixed version, exploit status, or compensating controls beyond Dell’s upgrade recommendation.
Mitigation direction
- Inventory Dell EMC CloudLink versions and identify 7.1 or earlier installations.
- Review Dell advisory guidance and upgrade at the earliest opportunity.
- Restrict CloudLink management access to trusted administrative networks only.
- Reduce and review high-privilege CloudLink accounts and automation credentials.
- Monitor CloudLink and host logs for unexpected administrative or OS-level activity.
Validation and detection
- Confirm deployed CloudLink version is later than affected 7.1 or prior releases.
- Verify Dell’s advisory or support portal identifies the installed version as fixed.
- Check firewall and access-control rules protecting CloudLink management interfaces.
- Review privileged user and service-account access to CloudLink.
- Look for suspicious command execution indicators in application and OS logs.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-74: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-36313 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
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/en-us/000193031/https-dellservices-lightning-force-com-one-one-appCVE 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.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.