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Vulnerability record · CVE-2018-11820 · published 25 February 2019

CVE-2018-11820: Qualcomm ipq8074 firmware vulnerability

Qualcomm · Ipq8074 Firmware

Use of non-time constant memcmp function creates side channel that leaks information and leads to cryptographic issues in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in versions IPQ8074, MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8996AU, QCA8081, QCS605, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 800, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130.

5.5 CVSS 3.0 Medium EPSS 0.23% · top 87.1%
5.5CVSS 3.0 base score, v2 4.9
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
46Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Use of non-time constant memcmp function creates side channel that leaks information and leads to cryptographic issues in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in versions IPQ8074, MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8996AU, QCA8081, QCS605, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 800, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/106845 Third Party AdvisoryVDB Entry
https://www.qualcomm.com/company/product-security/bulletins Vendor Advisory
http://www.securityfocus.com/bid/106845 Third Party AdvisoryVDB Entry
https://www.qualcomm.com/company/product-security/bulletins Vendor Advisory

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Related vulnerabilities

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

7.8CVE-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 0.41%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-2024-21473Qualcomm ar8035 firmware improper input validation vulnerabilityMemory corruption while redirecting log file to any file location with any file name.EPSS 0.66%9.8CVE-2023-22388Qualcomm 315 5g iot modem firmware out-of-bounds write vulnerabilityMemory Corruption in Multi-mode Call Processor while processing bit mask API.EPSS 0.35%9.8CVE-2023-22385Qualcomm 315 5g iot modem firmware out-of-bounds write vulnerabilityMemory Corruption in Data Modem while making a MO call or MT VOLTE call.EPSS 0.42%9.8CVE-2022-40510Qualcomm apq8009 firmware out-of-bounds write vulnerabilityMemory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.EPSS 0.43%9.8CVE-2022-33259Qualcomm mdm8207 firmware classic buffer overflow vulnerabilityMemory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.EPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2018-11820), CISA KEV, FIRST EPSS (scores of 2026-10-16). This page is refreshed as NVD updates the record.