What is CVE-2020-3657?

CVE-2020-3657 is a critical-severity vulnerability in Qualcomm Apq8009, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-11-02.

How severe is CVE-2020-3657?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-3657 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Qualcomm Apq8009

CVE-2020-3657

u'Remote code execution can happen by sending a carefully crafted POST query when Device configuration is accessed from a tethered client through webserver due to lack of array bound check.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ6018, IPQ8064, IPQ8074, MDM9150, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8953, MSM8996AU, QCA6574AU, QCS405, QCS610, QRB5165, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX24, SDX55, SM8250

Vulnerability class: Buffer Overflow

EPSS: 0.283 (97.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

TinyNiko/android_

References

product-security@qualcomm.com (x_refsource_CONFIRM, Broken Link)
nvd@nist.gov (Vendor Advisory)

Frequently asked questions

What is CVE-2020-3657?: CVE-2020-3657 is a critical-severity vulnerability in Qualcomm Apq8009, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-11-02.
How severe is CVE-2020-3657?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-3657 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.