Security readout for executives and security teams
Plain-English summary
This flaw can expose internal file and folder paths in Dell Wyse Management Suite 3.2 and earlier. By itself, it is an information disclosure issue, not a direct system takeover. The business risk is that exposed paths can help attackers map the environment and support follow-on attacks against management infrastructure.
Executive priority
Treat this as a medium-priority exposure reduction item. It is unlikely to justify emergency response on the provided evidence, but management platforms are sensitive assets and should not leak internal path information to unauthenticated users.
Technical view
CVE-2021-21587 is a CWE-200 full path disclosure issue affecting Dell Wyse Management Suite versions 3.2 and earlier. The CVSS 3.1 score is 5.3 with confidentiality impact only. The record describes unauthenticated exploitation to obtain file and folder paths, with no integrity or availability impact stated.
Likely exposure
Organizations running Dell Wyse Management Suite 3.2 or earlier are potentially exposed, especially if the management service is reachable beyond tightly controlled administrative networks. The source bundle does not identify specific configurations, endpoints, or deployment patterns that increase exposure.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The record indicates unauthenticated path disclosure, but does not provide public exploit status, attack prevalence, or detailed exploitation conditions.
Researcher notes
There is a wording inconsistency: the description says local unauthenticated attacker, while the CVSS vector lists network attack vector. Do not assume exploitability conditions beyond the cited records; confirm Dell advisory details before scoping tests or remediation.
Mitigation direction
- Identify all Dell Wyse Management Suite deployments and versions.
- Review Dell advisory 000189363 for vendor-approved fixes or workarounds.
- Prioritize upgrading systems running version 3.2 or earlier if Dell guidance confirms remediation.
- Limit access to Wyse Management Suite to trusted administrative networks.
- Monitor vendor guidance for any updated remediation or exploitation information.
Validation and detection
- Confirm deployed Dell Wyse Management Suite versions from inventory or administration records.
- Compare versions against the affected range: 3.2 and earlier.
- Check whether the management interface is reachable from untrusted networks.
- Review Dell advisory details before validating remediation status.
- Document any compensating access controls around the management service.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2021-21587 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/000189363CVE 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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
