Security readout for executives and security teams
Plain-English summary
Dell Digital Delivery before version 3.5.2015 can allow a low-privileged local user to gain administrative privileges by abusing incorrect default permissions. This is a workstation/server local privilege escalation issue, not a remote internet attack, but it can turn a foothold or insider access into full system control.
Executive priority
Treat this as a high-priority endpoint hardening issue. It is not described as remotely exploitable, but it can materially increase impact after phishing, malware foothold, or insider misuse by enabling administrative control.
Technical view
CVE-2020-5342 is a CWE-276 incorrect default permissions flaw in Dell Digital Delivery (Cirrus) versions prior to 3.5.2015. CVSS 3.1 is 7.8: local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Systems with Dell Digital Delivery (Cirrus) installed at versions earlier than 3.5.2015. Exposure requires local authenticated access, so prioritize shared workstations, broadly accessible endpoints, and hosts where standard users can log in.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The vulnerability is still serious because a local low-privileged malicious user could run an arbitrary executable with administrative privileges on an affected system.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, CWE-276 classification, and Dell advisory reference. Do not assume exploit availability or broader affected Dell software without additional vendor confirmation.
Mitigation direction
- Upgrade Dell Digital Delivery to version 3.5.2015 or later, following Dell guidance.
- Remove Dell Digital Delivery from systems where it is not required.
- Restrict local login rights on affected systems until remediation is complete.
- Monitor for unexpected privileged process launches on affected endpoints.
- Check Dell’s advisory for any environment-specific remediation guidance.
Validation and detection
- Inventory endpoints for Dell Digital Delivery or Dell Digital Delivery (Cirrus).
- Confirm installed versions are 3.5.2015 or later.
- Identify systems where local low-privileged users can log in.
- Review endpoint telemetry for unusual privilege elevation around the affected software.
- Document remediation status for each affected host group.
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-276: 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-2020-5342 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
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/article/SLN320561CVE 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.
Incorrect Default Permissions
Incorrect Default Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.