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CVE-2020-3671

Critical Vulnerability: CVE-2020-3671 โ€” qualcomm โ€” apq8009_firmware, apq8009

Use-after-free issue could occur due to dangling pointer when generating a frame buffer in OpenGL ES in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8009, Nicobar, QCM2150, QCS405, Saipan, SDM845, SM8150, SM8250, SXR2130

Sunday, August 16, 2026qualcommVulnios Threat Intelligence
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Vulnerability Snapshot

CVE-2020-3671 is rated CRITICAL โ€” exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.

Affected technology: apq8009_firmware, apq8009, nicobar_firmware, nicobar, qcm2150_firmware, plus 5 other product variants.

Executive Summary

Use-after-free issue could occur due to dangling pointer when generating a frame buffer in OpenGL ES in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8009, Nicobar, QCM2150, QCS405, Saipan, SDM845, SM8150, SM8250, SXR2130

Why It Matters

CVE-2020-3671 is rated CRITICAL severity, requiring immediate attention from security teams.

CVSS Base Score: 9.8/10

Affected Technologies

Vendors: qualcomm

Products: apq8009_firmware, apq8009, nicobar_firmware, nicobar, qcm2150_firmware, qcm2150, qcs405_firmware, qcs405, saipan_firmware, saipan, sdm845_firmware, sdm845, sm8150_firmware, sm8150, sm8250_firmware, sm8250, sxr2130_firmware, sxr2130

๐Ÿ›ก๏ธWhat Defenders Should Check

  • Check if you are affected โ€” Review your asset inventory for products listed in CVE-2020-3671.
  • Apply available patches โ€” Visit vendor advisories for the latest security updates.
  • Monitor for exploitation โ€” Check your SIEM/IDS logs for related indicators.
  • Use Vulnios to continuously monitor your exposure to CVE-2020-3671 and similar vulnerabilities.

    References & Sources

    How Vulnios Detects This

    Vulnios scans for this vulnerability using Trivy and Grype for SBOM-based CVE matching and Vulnios CVE feed continuous monitoring against your asset inventory. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.

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    Affected Products

    apq8009_firmwareapq8009nicobar_firmwarenicobarqcm2150_firmwareqcm2150qcs405_firmwareqcs405saipan_firmwaresaipan

    Sources

    Related Threat Alerts

    Frequently Asked Questions

    What is CVE-2020-3671?

    CVE-2020-3671 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. Use-after-free issue could occur due to dangling pointer when generating a frame buffer in OpenGL ES in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapd

    Am I affected?

    Check whether your environment runs apq8009_firmware, apq8009, nicobar_firmware, nicobar, qcm2150_firmware. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.

    How urgent is the response?

    Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.

    How do I remediate?

    Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.

    Where can I track exploitation activity?

    Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2020-3671. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.

    How does Vulnios help with this?

    Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.

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