Security readout for executives and security teams
Plain-English summary
This is a local privilege-impact vulnerability in Dell update utilities before version 4.3. An authenticated local user could run arbitrary code on the system if a vulnerable Dell updater is present. It matters most on managed workstations where standard users can sign in locally.
Executive priority
Treat as a high-priority endpoint hygiene issue, especially across Dell fleets. It is less urgent than confirmed internet-facing exploitation, but it can support local compromise impact if an attacker already has valid local access.
Technical view
The issue is improper verification of a cryptographic signature, mapped to CWE-347. Sources describe Dell Command | Update, Dell Update, and Alienware Update versions before 4.3 as affected. The provided affected-product metadata also lists Alienware Command Center, so teams should verify scope against Dell advisory 000190110.
Likely exposure
Exposure is likely limited to endpoints with affected Dell update software installed. The CVSS vector requires local access and low privileges, with no user interaction required after authentication.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. This should not be treated as remotely exploitable from the internet based on the supplied sources.
Researcher notes
The strongest technical details in the bundle are CWE-347, CVSS 7.8, local authenticated attack vector, and arbitrary code execution impact. Product naming is inconsistent between the description and affected metadata, so scope decisions should defer to Dell advisory 000190110.
Mitigation direction
- Upgrade affected Dell update utilities to version 4.3 or later.
- Review Dell advisory 000190110 for product-specific guidance.
- Prioritize endpoints where non-administrators have local interactive access.
- Remove unused affected Dell update utilities where business requirements allow.
Validation and detection
- Inventory endpoints for Dell Command | Update, Dell Update, Alienware Update, and Alienware Command Center.
- Record installed versions and flag anything before 4.3.
- Confirm whether vulnerable software runs on shared, kiosk, or high-risk workstations.
- Track remediation status against Dell advisory 000190110.
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-347: 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-2021-36277 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/kbdoc/000190110CVE 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 Verification of Cryptographic Signature
Improper Verification of Cryptographic Signature represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.