How severe is CVE-2020-3648?

CVE-2020-3648 has a CVSS 3.x base score of 7.8, 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 high, and availability high.

Is CVE-2020-3648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3648?

CVE-2020-3648 affects Qualcomm Msm8909w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3648?

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-2020-3648 published?

CVE-2020-3648 was published on 2020-09-08 and last updated on 2026-06-17.

CVE-2020-3648

CVE-2020-3648 is a high-severity vulnerability in Qualcomm Msm8909w Firmware with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Qualcomm Msm8909w Firmware
Published: 2020-09-08
Last modified: 2026-06-17

Description

u'Possible out of bound write in DSP driver code due to lack of check of data received from user' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MSM8909W

Frequently asked questions

What is CVE-2020-3648?: u'Possible out of bound write in DSP driver code due to lack of check of data received from user' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MSM8909W
How severe is CVE-2020-3648?: CVE-2020-3648 has a CVSS 3.x base score of 7.8, 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 high, and availability high.
Is CVE-2020-3648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3648?: CVE-2020-3648 affects Qualcomm Msm8909w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3648?: 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-2020-3648 published?: CVE-2020-3648 was published on 2020-09-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:qualcomm:msm8909w_firmware:-:*:*:*:*:*:*:*

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