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High 8.4Known exploited (CISA KEV)Published May 7, 2021
CVE-2021-1905Possible use after free due to improper handling of memory mapping of multiple processes simultaneously.
Updated under an hour ago ()
Does this affect you?
It affects Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables and 59 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.
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Possible use after free due to improper handling of memory mapping of multiple processes simultaneously. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- CVSS
- 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 1.54% (percentile 75)
- Assigned by
- qualcomm
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables qualcomm:snapdragon_auto_snapdragon_compute_snapdragon_connectivity_snapdragon_consumer_iot_snapdragon_industrial_iot_snapdragon_mobile_snapdragon_voice_and_music_snapdragon_wearables (from the name) | APQ8009, APQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR8031, AR8035, AR8151, CSRA6620, CSRA6640, FSM10055, FSM10056, MDM9206, MDM9607, MDM9626, MDM9628, MDM9650, MSM8909W, MSM8917, MSM8953, MSM8996AU, PM215, PM3003A, PM4125, PM4250, PM439, PM456, PM6125, PM6150, PM6150A, PM6150L, PM6250, PM6350, PM640A, PM640L, PM640P, PM660, PM660A, PM660L, PM670, PM670A, PM670L, PM7150A, PM7150L, PM7250, PM7250B, PM8004, PM8005, PM8008, PM8009, PM8150, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM8350B, PM8350BH, PM8350C, PM855, PM855A, PM855B, PM855L, PM855P, PM8909, PM8916, PM8937, PM8953, PM8998, PMC1000H, PMD9607, PMD9655, PME605, PMI632, PMI8937, PMI8952, PMI8998, PMK8002, PMK8003, PMK8350, PMM6155AU, PMM8155AU, PMM8195AU, PMM855AU, PMM8920AU, PMM8996AU, PMR525, PMR735A, PMR735B, PMW3100, PMX20, PMX24, PMX50, PMX55, QAT3514, QAT3516, QAT3518, QAT3519, QAT3522, QAT3550, QAT3555, QAT5515, QAT5516, QAT5522, QAT5533, QAT5568, QBT1000, QBT1500, QBT2000, QCA4020, QCA6174, QCA6174A, QCA ...[truncated*] | CNA record |
qualcomm apq8009_firmware qualcomm:apq8009_firmware | all versions | NVD |
qualcomm apq8009w_firmware qualcomm:apq8009w_firmware | all versions | NVD |
qualcomm apq8017_firmware qualcomm:apq8017_firmware | all versions | NVD |
qualcomm apq8053_firmware qualcomm:apq8053_firmware | all versions | NVD |
qualcomm apq8064au_firmware qualcomm:apq8064au_firmware | all versions | NVD |
qualcomm apq8096au_firmware qualcomm:apq8096au_firmware | all versions | NVD |
qualcomm aqt1000_firmware qualcomm:aqt1000_firmware | all versions | NVD |
qualcomm ar8031_firmware qualcomm:ar8031_firmware | all versions | NVD |
qualcomm ar8035_firmware qualcomm:ar8035_firmware | all versions | NVD |
qualcomm ar8151_firmware qualcomm:ar8151_firmware | all versions | NVD |
qualcomm csra6620_firmware qualcomm:csra6620_firmware | all versions | NVD |
qualcomm csra6640_firmware qualcomm:csra6640_firmware | all versions | NVD |
qualcomm fsm10055_firmware qualcomm:fsm10055_firmware | all versions | NVD |
qualcomm fsm10056_firmware qualcomm:fsm10056_firmware | all versions | NVD |
qualcomm mdm9206_firmware qualcomm:mdm9206_firmware | all versions | NVD |
qualcomm mdm9607_firmware qualcomm:mdm9607_firmware | all versions | NVD |
qualcomm mdm9626_firmware qualcomm:mdm9626_firmware | all versions | NVD |
qualcomm mdm9628_firmware qualcomm:mdm9628_firmware | all versions | NVD |
qualcomm mdm9650_firmware qualcomm:mdm9650_firmware | all versions | NVD |
qualcomm msm8909w_firmware qualcomm:msm8909w_firmware | all versions | NVD |
qualcomm msm8917_firmware qualcomm:msm8917_firmware | all versions | NVD |
qualcomm msm8953_firmware qualcomm:msm8953_firmware | all versions | NVD |
qualcomm msm8996au_firmware qualcomm:msm8996au_firmware | all versions | NVD |
qualcomm pm215_firmware qualcomm:pm215_firmware | all versions | NVD |
qualcomm pm3003a_firmware qualcomm:pm3003a_firmware | all versions | NVD |
qualcomm pm4125_firmware qualcomm:pm4125_firmware | all versions | NVD |
qualcomm pm4250_firmware qualcomm:pm4250_firmware | all versions | NVD |
qualcomm pm439_firmware qualcomm:pm439_firmware | all versions | NVD |
qualcomm pm456_firmware qualcomm:pm456_firmware | all versions | NVD |
qualcomm pm6125_firmware qualcomm:pm6125_firmware | all versions | NVD |
qualcomm pm6150_firmware qualcomm:pm6150_firmware | all versions | NVD |
qualcomm pm6150a_firmware qualcomm:pm6150a_firmware | all versions | NVD |
qualcomm pm6150l_firmware qualcomm:pm6150l_firmware | all versions | NVD |
qualcomm pm6250_firmware qualcomm:pm6250_firmware | all versions | NVD |
qualcomm pm6350_firmware qualcomm:pm6350_firmware | all versions | NVD |
qualcomm pm640a_firmware qualcomm:pm640a_firmware | all versions | NVD |
qualcomm pm640l_firmware qualcomm:pm640l_firmware | all versions | NVD |
qualcomm pm640p_firmware qualcomm:pm640p_firmware | all versions | NVD |
qualcomm pm660_firmware qualcomm:pm660_firmware | all versions | NVD |
qualcomm pm660a_firmware qualcomm:pm660a_firmware | all versions | NVD |
qualcomm pm660l_firmware qualcomm:pm660l_firmware | all versions | NVD |
qualcomm pm670_firmware qualcomm:pm670_firmware | all versions | NVD |
qualcomm pm670a_firmware qualcomm:pm670a_firmware | all versions | NVD |
qualcomm pm670l_firmware qualcomm:pm670l_firmware | all versions | NVD |
qualcomm pm7150a_firmware qualcomm:pm7150a_firmware | all versions | NVD |
qualcomm pm7150l_firmware qualcomm:pm7150l_firmware | all versions | NVD |
qualcomm pm7250_firmware qualcomm:pm7250_firmware | all versions | NVD |
qualcomm pm7250b_firmware qualcomm:pm7250b_firmware | all versions | NVD |
qualcomm pm8004_firmware qualcomm:pm8004_firmware | all versions | NVD |
qualcomm pm8005_firmware qualcomm:pm8005_firmware | all versions | NVD |
qualcomm pm8008_firmware qualcomm:pm8008_firmware | all versions | NVD |
qualcomm pm8009_firmware qualcomm:pm8009_firmware | all versions | NVD |
qualcomm pm8150_firmware qualcomm:pm8150_firmware | all versions | NVD |
qualcomm pm8150a_firmware qualcomm:pm8150a_firmware | all versions | NVD |
qualcomm pm8150b_firmware qualcomm:pm8150b_firmware | all versions | NVD |
qualcomm pm8150c_firmware qualcomm:pm8150c_firmware | all versions | NVD |
qualcomm pm8150l_firmware qualcomm:pm8150l_firmware | all versions | NVD |
qualcomm pm8250_firmware qualcomm:pm8250_firmware | all versions | NVD |
qualcomm pm8350_firmware qualcomm:pm8350_firmware | all versions | NVD |
References
- https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletinx-refsource-confirm, patch, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1905us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.