Security readout for executives and security teams
Plain-English summary
This CVE describes a Qualcomm Snapdragon baseband denial-of-service issue. A cellular network configuration value for LTE betaOffset-RI-Index may be accepted without enough validation, potentially disrupting affected devices' modem operation. The sources do not provide CVSS, severity, exploit evidence, or detailed remediation steps.
Executive priority
Handle as a targeted exposure-management item. Escalate priority where affected Snapdragon devices support critical connectivity, field operations, industrial systems, or automotive functions. The public sources do not justify claiming emergency exploitation.
Technical view
The issue is lack of data validation in Snapdragon baseband handling when the network configures LTE betaOffset-RI-Index. Affected product families include Snapdragon Auto, Compute, Connectivity, Consumer IoT, Industrial IoT, and Mobile, with many listed part numbers.
Likely exposure
Exposure is most likely in devices or modules using affected Qualcomm Snapdragon components with LTE baseband functionality. Risk depends on OEM firmware status, carrier environment, and whether the asset relies on cellular connectivity for business, safety, or operations.
Exploitation context
The source bundle does not state active exploitation, and KEV is false. Public details describe denial of service only, not code execution or data compromise.
Researcher notes
The affected list is broad and partially truncated in the provided bundle, so validation should use the Qualcomm bulletin and OEM device mappings. No CVSS, CWE, exploit status, or specific patch version is provided in the supplied sources.
Mitigation direction
- Review Qualcomm's March 2021 product security bulletin for vendor guidance.
- Identify devices using affected Snapdragon chipsets or modules.
- Check OEM, carrier, and device firmware advisories for updates.
- Prioritize updates for operationally critical cellular-connected assets.
- Monitor vendor guidance if no device-specific fix is listed.
Validation and detection
- Map fleet devices to Qualcomm chipset or module identifiers.
- Compare identified parts against Qualcomm and CVE affected product lists.
- Confirm installed firmware patch levels with OEM documentation.
- Review cellular-connected assets for unexplained modem or connectivity outages.
- Track remediation status separately for mobile, IoT, auto, and compute devices.
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.
CVE-2020-11218 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.qualcomm.com/company/product-security/bulletins/march-2021-bulletinCVE reference · x_refsource_CONFIRM
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.