How severe is CVE-2020-11203?

CVE-2020-11203 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2020-11203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11203?

CVE-2020-11203 primarily affects Qualcomm Apq8009w Firmware. In total, 143 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-11203 published?

CVE-2020-11203 was published on 2021-02-22 and last updated on 2026-06-17.

CVE-2020-11203

CVE-2020-11203 is a high-severity vulnerability in Qualcomm Apq8009w Firmware with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 3.6
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Qualcomm Apq8009w Firmware
Published: 2021-02-22
Last modified: 2026-06-17

Description

Stack overflow may occur if GSM/WCDMA broadcast config size received from user is larger than variable length array in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Frequently asked questions

What is CVE-2020-11203?: Stack overflow may occur if GSM/WCDMA broadcast config size received from user is larger than variable length array in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
How severe is CVE-2020-11203?: CVE-2020-11203 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2020-11203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11203?: CVE-2020-11203 primarily affects Qualcomm Apq8009w Firmware. In total, 143 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11203 published?: CVE-2020-11203 was published on 2021-02-22 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/february-2021-bulletin

Affected products (143)

cpe:2.3:o:qualcomm:apq8009w_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8064au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8096au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8909w_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm215_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm456_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm640a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm640l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm640p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8004_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8008_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8916_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmi632_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmi8998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmk8002_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmm6155au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmm8155au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmm8195au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmm855au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmr735a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmw3100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx50_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx55_firmware:-:*:*:*:*:*:*:*

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