How severe is CVE-2020-11308?

CVE-2020-11308 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-2020-11308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11308?

CVE-2020-11308 primarily affects Qualcomm Apq8009 Firmware. In total, 333 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11308?

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

When was CVE-2020-11308 published?

CVE-2020-11308 was published on 2021-03-17 and last updated on 2026-06-17.

CVE-2020-11308

CVE-2020-11308 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-129.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Qualcomm Apq8009 Firmware
Published: 2021-03-17
Last modified: 2026-06-17

Description

Buffer overflow occurs when trying to convert ASCII string to Unicode string if the actual size is more than required in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Frequently asked questions

What is CVE-2020-11308?: Buffer overflow occurs when trying to convert ASCII string to Unicode string if the actual size is more than required in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
How severe is CVE-2020-11308?: CVE-2020-11308 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-2020-11308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11308?: CVE-2020-11308 primarily affects Qualcomm Apq8009 Firmware. In total, 333 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11308 published?: CVE-2020-11308 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 (333)

cpe:2.3:o:qualcomm:apq8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8151_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10055_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10056_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9655_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm3003a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm4125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm4250_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:pm6350_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:pm660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm660a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm660l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7250b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7350c_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:-:*:*:*:*:*:*:*

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