Security readout for executives and security teams
Plain-English summary
Dell OME-M before 1.30.00 has a high-severity security bypass. A low-privileged authenticated user could escape a restricted environment and access sensitive system information, with possible privilege elevation and availability impact.
Executive priority
Treat as a high-priority infrastructure management-plane issue. It affects systems used to manage Dell modular infrastructure, and successful abuse could expose sensitive information or elevate access after authentication.
Technical view
CVE-2021-21530 affects Dell OpenManage Enterprise-Modular versions prior to 1.30.00. CVSS 3.1 is 8.3 with network attack vector, low complexity, low privileges, no user interaction, and high confidentiality and availability impact. The record maps it to CWE-78.
Likely exposure
Exposure is limited by the provided sources to Dell OME-M deployments running versions before 1.30.00. Risk is higher where low-privileged users can authenticate to the management interface or where OME-M is reachable beyond tightly controlled management networks.
Exploitation context
The source bundle does not cite active exploitation, and the CVE is not marked KEV. Exploitation requires authenticated low-privileged access, but no user interaction, and may allow escape from restricted controls.
Researcher notes
Evidence is limited to the CVE record and Dell advisory reference. The description names a restricted-environment escape and CWE-78, but the bundle does not include exploit details, indicators, or compensating controls beyond the fixed version boundary.
Mitigation direction
- Upgrade Dell OME-M to version 1.30.00 or later per Dell guidance.
- Restrict OME-M access to trusted management networks and authorized administrators.
- Review low-privilege accounts with access to OME-M and remove unnecessary access.
- Monitor Dell’s advisory for any additional remediation or operational guidance.
Validation and detection
- Inventory Dell OME-M instances and record exact software versions.
- Flag any OME-M version earlier than 1.30.00 for remediation.
- Confirm management interfaces are not exposed outside approved administrative networks.
- Review OME-M authentication logs for unusual low-privilege account activity.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-21530 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
- 8.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/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:L/UI:N/S:U/C:H/I:L/A:H2.85.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.3HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/000185205CVE 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 Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.