CVE-2021-30283

lowpriority · track · 22EPSS 0.001 · 3 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.13% (3rd) EPSS

CVSS 2.1 · low

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Possible denial of service due to improper handling of debug register trap from user applications in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 2.1–7.1

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · product-security@qualcomm.comexploitability 2.5 · impact 4

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-755USprimary

affected products (20)

Products and version ranges known to be affected.

Qualcomm, Inc. Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile≤ QCA6391, QCM6490, QCS6490, QRB5165, QRB5165N, SD778G, SD888 5G, SM7325P, WCD9370, WCD9375, WCD9380, WCD9385, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8830, WSA8835enisa_euvdEU
qualcomm qca6391 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6391_firmware:*:*:*:*:*:*:*:*
qualcomm qcm6490 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcm6490_firmware:*:*:*:*:*:*:*:*
qualcomm qcs6490 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcs6490_firmware:*:*:*:*:*:*:*:*
qualcomm qrb5165 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qrb5165_firmware:*:*:*:*:*:*:*:*
qualcomm qrb5165n firmwareall versionsnvdUScpe:2.3:o:qualcomm:qrb5165n_firmware:*:*:*:*:*:*:*:*
qualcomm sd778g firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd778g_firmware:*:*:*:*:*:*:*:*
qualcomm sd888 5g firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd888_5g_firmware:*:*:*:*:*:*:*:*
qualcomm sm7325p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sm7325p_firmware:*:*:*:*:*:*:*:*
qualcomm wcd9370 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcd9370_firmware:*:*:*:*:*:*:*:*
qualcomm wcd9375 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcd9375_firmware:*:*:*:*:*:*:*:*
qualcomm wcd9380 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcd9380_firmware:*:*:*:*:*:*:*:*
qualcomm wcd9385 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcd9385_firmware:*:*:*:*:*:*:*:*
qualcomm wcn6750 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcn6750_firmware:*:*:*:*:*:*:*:*
qualcomm wcn6850 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcn6850_firmware:*:*:*:*:*:*:*:*
qualcomm wcn6851 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcn6851_firmware:*:*:*:*:*:*:*:*
qualcomm wcn6855 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcn6855_firmware:*:*:*:*:*:*:*:*
qualcomm wcn6856 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcn6856_firmware:*:*:*:*:*:*:*:*
qualcomm wsa8830 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wsa8830_firmware:*:*:*:*:*:*:*:*
qualcomm wsa8835 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wsa8835_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-01-03modified 2026-06-17

related (707)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-109619US	high8.1OT critical	100.0% (100th)	KEV	2026-10-21
PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The g…
CVE-2026-109618US	critical9.8OT critical	100.0% (100th)	KEV	2026-10-21
PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave…
CVE-2024-29748US	high7.8OT critical	0.68% (52nd)	KEV	2024-04-05
there is a possible way to bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interacti…
CVE-2022-22265US	high7.8OT critical	0.39% (33rd)	KEV	2022-01-10
An improper check or handling of exceptional conditions in NPU driver prior to SMR Jan-2022 Release 1 allows arbitrary memory write and code execution.
CVE-2021-38003US	high8.8OT critical	38.6% (99th)	KEV	2021-11-23
Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

+702 more

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan