How severe is CVE-2020-3632?

CVE-2020-3632 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-2020-3632 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3632?

CVE-2020-3632 primarily affects Qualcomm Qsm8350 Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3632?

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-2020-3632 published?

CVE-2020-3632 was published on 2020-11-12 and last updated on 2026-06-17.

CVE-2020-3632

CVE-2020-3632 is a high-severity vulnerability in Qualcomm Qsm8350 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-129.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Qualcomm Qsm8350 Firmware
Published: 2020-11-12
Last modified: 2026-06-17

Description

u'Incorrect validation of ring context fetched from host memory can lead to memory overflow' in Snapdragon Compute, Snapdragon Mobile in QSM8350, SC7180, SDX55, SDX55M, SM6150, SM6250, SM6250P, SM7125, SM7150, SM7150P, SM7250, SM7250P, SM8150, SM8150P, SM8250, SM8350, SM8350P, SXR2130, SXR2130P

Frequently asked questions

What is CVE-2020-3632?: u'Incorrect validation of ring context fetched from host memory can lead to memory overflow' in Snapdragon Compute, Snapdragon Mobile in QSM8350, SC7180, SDX55, SDX55M, SM6150, SM6250, SM6250P, SM7125, SM7150, SM7150P, SM7250, SM7250P, SM8150, SM8150P, SM8250, SM8350, SM8350P, SXR2130, SXR2130P
How severe is CVE-2020-3632?: CVE-2020-3632 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-2020-3632 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3632?: CVE-2020-3632 primarily affects Qualcomm Qsm8350 Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3632?: 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-2020-3632 published?: CVE-2020-3632 was published on 2020-11-12 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/november-2020-bulletin

Affected products (19)

cpe:2.3:o:qualcomm:qsm8350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sc7180_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6250p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7250p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8350p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2130p_firmware:-:*:*:*:*:*:*:*

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