CVE-2020-3646

Name: CVE-2020-3646
Creator: NVD / NIST
Published: 2020-09-08T10:15:15.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2020-3646 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. u'Buffer overflow seen as the destination buffer size is lesser than the source buffer size in video application' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Bitra, MSM8909W, QCM2150, QCS405, QCS605, Saipan, SC8180X, SDA845, SDM429W, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

u'Buffer overflow seen as the destination buffer size is lesser than the source buffer size in video application' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Bitra, MSM8909W, QCM2150, QCS405, QCS605, Saipan, SC8180X, SDA845, SDM429W, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.21%

11.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Qualcomm	Bitra Firmware	All versions
Qualcomm	Msm8909w Firmware	All versions
Qualcomm	Qcm2150 Firmware	All versions
Qualcomm	Qcs405 Firmware	All versions
Qualcomm	Qcs605 Firmware	All versions
Qualcomm	Saipan Firmware	All versions
Qualcomm	Sc8180x Firmware	All versions
Qualcomm	Sda845 Firmware	All versions
Qualcomm	Sdm429w Firmware	All versions
Qualcomm	Sdx24 Firmware	All versions
Qualcomm	Sdx55 Firmware	All versions
Qualcomm	Sm6150 Firmware	All versions
Qualcomm	Sm7150 Firmware	All versions
Qualcomm	Sm8150 Firmware	All versions
Qualcomm	Sm8250 Firmware	All versions
Qualcomm	Sxr2130 Firmware	All versions

References

https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletinBroken Link
https://www.qualcomm.com/company/product-security/bulletins/august-2020-security-bulletinPatch, Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletinBroken Link

Timeline

Published: Sep 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3646?

How severe is CVE-2020-3646?

CVE-2020-3646 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3646?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3646?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST