Security readout for executives and security teams
Plain-English summary
CVE-2021-36336 is a critical Dell Wyse Management Suite flaw. An unauthenticated attacker could execute code on an affected system, making exposed management servers high-risk assets. The source bundle names versions 3.3.1 and earlier as affected.
Executive priority
Handle as an urgent remediation item for any Dell Wyse Management Suite deployment. The business risk is full system compromise without credentials, but urgency should be tied to whether affected servers exist and are reachable.
Technical view
Dell Wyse Management Suite 3.3.1 and below contains a CWE-502 deserialization vulnerability. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to organizations running Dell Wyse Management Suite 3.3.1 or earlier. Risk is highest where the management service is reachable from untrusted networks. The bundle provides no CPEs or detailed component paths.
Exploitation context
The provided sources support unauthenticated remote code execution potential. They do not show CISA KEV listing or other evidence of active exploitation, public exploitation, or exploitation prevalence.
Researcher notes
The record is sparse. It identifies CWE-502 deserialization and unauthenticated code execution but does not provide technical root cause, affected endpoints, exploit primitives, or fixed versions in the supplied bundle. Avoid assuming exploit availability.
Mitigation direction
- Identify all Dell Wyse Management Suite deployments and their versions.
- Treat version 3.3.1 and earlier as affected unless Dell guidance says otherwise.
- Consult Dell advisory KB000193079 for vendor-specified fixes or workarounds.
- Limit management service access to trusted networks while remediation is planned.
- Monitor vendor communications for corrected version and operational guidance.
Validation and detection
- Confirm whether Dell Wyse Management Suite is deployed in the environment.
- Record exact product versions and compare against 3.3.1 and earlier.
- Review firewall and access controls around the management service.
- Check security logs for unusual unauthenticated access or unexpected service behavior.
- Document remediation status against Dell advisory KB000193079.
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-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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 lookupCVE-2021-36336 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/000193079CVE 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.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.