← Vulnerability feed

Vulnerability record · CVE-2020-3674 · published 9 September 2020

CVE-2020-3674: Qualcomm nicobar firmware out-of-bounds read vulnerability

Qualcomm · Nicobar Firmware

Information can leak into userspace due to improper transfer of data from kernel to userspace in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Nicobar, QCS405, Saipan, SC8180X, SDX55, SM8150, SM8250, SXR2130

5.5 CVSS 3.1 Medium EPSS 0.22% · top 89.1% CWE-125 · Out-of-bounds read
5.5CVSS 3.1 base score, v2 2.1
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Information can leak into userspace due to improper transfer of data from kernel to userspace in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Nicobar, QCS405, Saipan, SC8180X, SDX55, SM8150, SM8250, SXR2130

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/september-2020-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/september-2020-bulletin PatchVendor Advisory

Track CVE-2020-3674 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2023-33107Qualcomm Graphics Linux integer overflow memory corruptionCVE-2023-33107 is an integer overflow (CWE-190) in Qualcomm Graphics Linux that causes memory corruption when a shared virtual memory region is assig…KEVEPSS 0.74%analysed7.8CVE-2022-22071Qualcomm chipset shell memory use-after-free via IOCTL munmapA use-after-free exists in Qualcomm Snapdragon and related chipset firmware when process shell memory is freed through an IOCTL munmap call while pro…KEVEPSS 0.46%analysed7.8CVE-2020-11261Qualcomm Snapdragon chipsets memory corruption via improper allocation size checkQualcomm Snapdragon firmware fails to return an error when a user application requests a very large memory allocation, leading to memory corruption (…KEVEPSS 1.6%analysed7.8CVE-2021-1905Qualcomm Snapdragon chipsets use-after-free in memory mapping handlingA use-after-free flaw exists in multiple Qualcomm Snapdragon chipset families due to improper handling of memory mapping when multiple processes oper…KEVEPSS 1.5%analysed5.5CVE-2021-1906Qualcomm Snapdragon GPU address deregistration failure causes allocation denialImproper handling of address deregistration on failure in Qualcomm Snapdragon chipsets can cause subsequent GPU address allocation to fail. The flaw …KEVEPSS 0.52%analysed9.8CVE-2025-27034Qualcomm fastconnect 6900 firmware vulnerabilityMemory corruption while selecting the PLMN from SOR failed list.EPSS 0.40%9.8CVE-2025-27071Qualcomm fastconnect 6800 firmware classic buffer overflow vulnerabilityMemory corruption while processing specific files in Powerline Communication Firmware.EPSS 0.18%9.8CVE-2024-49839Qualcomm ar8035 firmware out-of-bounds read vulnerabilityMemory corruption during management frame processing due to mismatch in T2LM info element.EPSS 0.30%

Source: NIST National Vulnerability Database (record CVE-2020-3674), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.