Security readout for executives and security teams
Plain-English summary
A flaw in MediaTek Config Manager can allow command injection because input is not properly validated. The published CVSS score is 9.8, with no privileges or user interaction required. Organizations should prioritize systems or products built with the affected MediaTek SDK.
Executive priority
Treat this as a critical exposure discovery and remediation item for any product line or environment using affected MediaTek-based firmware.
Technical view
CVE-2021-31574 is a CWE-77 command injection issue in Config Manager affecting MediaTek EN7528 and EN7580 Linux SDK versions before TLM7.3.275.0-82. The record describes possible remote escalation of privilege and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to devices, firmware, or vendor products built with MediaTek EN7528 or EN7580 Linux SDK versions below TLM7.3.275.0-82.
Exploitation context
The CVE states no privileges or user interaction are needed. The provided bundle does not show CISA KEV listing or other evidence of active exploitation.
Researcher notes
Source evidence is limited to CVE metadata and MediaTek acknowledgement. The description says proximal attacker, while CVSS uses network attack vector; document this ambiguity during triage.
Mitigation direction
- Identify products using MediaTek EN7528 or EN7580 components.
- Check firmware or SDK version against TLM7.3.275.0-82.
- Apply vendor or OEM updates referencing Patch ID A20210009.
- Review MediaTek and OEM guidance for product-specific remediation.
- If no update exists, escalate to the supplier for supported mitigation guidance.
Validation and detection
- Confirm affected component presence through SBOMs, firmware metadata, or supplier attestations.
- Verify SDK version is TLM7.3.275.0-82 or later.
- Check release notes for Patch ID A20210009 or Issue ID OSBNB00123234.
- Avoid exploit probing; validate through version and vendor evidence.
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-77: 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 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-2021-31574 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://corp.mediatek.com/product-security-acknowledgementsCVE reference
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 a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.