How severe is CVE-2020-11305?

CVE-2020-11305 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11305?

CVE-2020-11305 primarily affects Qualcomm Apq8009 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11305?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11305 published?

CVE-2020-11305 was published on 2021-03-17 and last updated on 2026-06-17.

CVE-2020-11305

CVE-2020-11305 is a medium-severity vulnerability in Qualcomm Apq8009 Firmware with a CVSS 3.x base score of 6.8. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Qualcomm Apq8009 Firmware
Published: 2021-03-17
Last modified: 2026-06-17

Description

Integer overflow in boot due to improper length check on arguments received in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music

Frequently asked questions

What is CVE-2020-11305?: Integer overflow in boot due to improper length check on arguments received in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
How severe is CVE-2020-11305?: CVE-2020-11305 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11305?: CVE-2020-11305 primarily affects Qualcomm Apq8009 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11305 published?: CVE-2020-11305 was published on 2021-03-17 and last updated on 2026-06-17.

References

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

Affected products (20)

cpe:2.3:o:qualcomm:apq8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9206_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8909_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8916_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8953_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmd9607_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmi8952_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9367_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:smb1358_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:smb1360_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:smb231_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9326_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3680b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wtr2965_firmware:-:*:*:*:*:*:*:*

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