Security readout for executives and security teams
Plain-English summary
CVE-2021-35130 is a high-severity Qualcomm Snapdragon graphics-layer memory corruption issue. In affected devices, a local attacker could potentially compromise confidentiality, integrity, and availability. The business risk is highest for organizations operating Qualcomm-based mobile, IoT, automotive, industrial, or wearable fleets.
Executive priority
Prioritize this for environments with Qualcomm-based fleets, especially managed mobile, embedded, IoT, industrial, automotive, or wearable assets. The issue has high technical impact, but the supplied sources do not show active exploitation, so urgency should be driven by exposure and update availability.
Technical view
The CVE describes a use-after-free condition in Qualcomm's graphics support layer. CVSS 3.1 is 8.4 with local attack vector, low complexity, no privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. No CWE is listed in the provided record.
Likely exposure
Exposure is likely through OEM devices or embedded products using the listed Snapdragon, QCA, WCN, WCD, WSA, and related affected components. This is not a generic application flaw; validation requires hardware and firmware inventory tied to Qualcomm chipsets and vendor patch status.
Exploitation context
The provided bundle does not show CISA KEV listing or any cited evidence of active exploitation. The CVSS vector indicates local access is required, but no privileges or user interaction are needed. Practical exploitability depends on device access, firmware integration, and OEM security updates.
Researcher notes
Focus analysis on local attack surface reaching Qualcomm graphics support code on affected chipsets. The source data does not include exploit details, proof of exploitation, CWE mapping, or product-specific OEM patch matrices. Avoid assuming exposure without confirming the underlying Qualcomm component and firmware lineage.
Mitigation direction
- Check Qualcomm's April 2022 bulletin for official remediation guidance.
- Obtain firmware or security updates from the device OEM or platform vendor.
- Prioritize managed devices using affected Snapdragon or QCA-family components.
- Restrict untrusted local access where affected devices cannot be updated.
- Track vendor advisories for downstream device-specific patch availability.
Validation and detection
- Inventory devices and embedded products for affected Qualcomm components.
- Map chipsets against the affected product list in the CVE record.
- Compare firmware patch levels with Qualcomm and OEM April 2022 guidance.
- Confirm whether mobile, IoT, automotive, or wearable fleets include listed parts.
- Monitor KEV and vendor advisories for any change in exploitation status.
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-2021-35130 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
- 8.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/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:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.qualcomm.com/company/product-security/bulletins/april-2022-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.