Security readout for executives and security teams
Plain-English summary
Dell Wyse Management Suite 3.3.1 and earlier can allow outdated TLS 1.0 and 1.1 connections. Those protocols are no longer considered safe and may let a suitably positioned attacker intercept or alter management traffic.
Executive priority
Treat this as a moderate infrastructure hardening priority. It is not reported as actively exploited, but weak management-plane encryption can expose sensitive administration data if traffic is intercepted.
Technical view
CVE-2021-36337 is CWE-326: inadequate encryption strength. The issue is network-reachable, requires no privileges or user interaction, but has high attack complexity because exploitation depends on a man-in-the-middle position. Reported impact is high confidentiality loss and low integrity impact, with no availability impact.
Likely exposure
Organizations running Dell Wyse Management Suite 3.3.1 or earlier are potentially exposed, especially where the management service is reachable across untrusted networks or legacy TLS is still accepted.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as KEV. Practical risk depends on whether an attacker can intercept traffic between clients, administrators, or managed endpoints and the WMS service.
Researcher notes
Evidence is limited to the CVE record and Dell reference. Do not assume affected subcomponents, public exploit availability, or a specific fixed version beyond what Dell advisory confirms.
Mitigation direction
- Review Dell advisory 000193079 for supported remediation guidance.
- Upgrade or reconfigure WMS using Dell-supported steps that remove TLS 1.0 and 1.1.
- Restrict WMS access to trusted administrative networks.
- Monitor for unexpected legacy TLS connections until remediation is complete.
Validation and detection
- Inventory Dell Wyse Management Suite versions and identify systems at 3.3.1 or earlier.
- Confirm whether WMS endpoints accept TLS 1.0 or TLS 1.1.
- After remediation, verify only approved TLS versions remain enabled.
- Check change records against Dell advisory guidance.
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-326: 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 lookupCVE-2021-36337 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
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:H/PR:N/UI:N/S:U/C:H/I:L/A:N2.24.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
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.
Inadequate Encryption Strength
Inadequate Encryption Strength represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.