How severe is CVE-2020-11261?

CVE-2020-11261 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 1.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2020-11261: Qualcomm Multiple Chipsets Improper Input Validation

CISA Known Exploited Vulnerabilities

Qualcomm Multiple Chipsets Improper Input Validation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2021-12-01

Remediation due

2022-06-01

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-11261

Description

Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Severity

CVSS 3.1 · CISA7.8 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 15, 2026

All KEV statistics→

CISA added CVE-2020-11261 to the KEV catalog 175 days after its CVE record was published.
It is one of 12 Qualcomm entries in the CISA KEV catalog, and one of 3 added in 2021.
Its current EPSS score (1.6%) is higher than that of 6% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Qualcomm, Inc.	Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables	APQ8009, APQ8009W, APQ8017, APQ8037, APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR8031, AR8035, AR8151, CSRA6620, CSRA6640, CSRB31024, FSM10055, FSM10056, MDM9650, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, PM215, PM3003A, PM4125, PM439, PM456, PM6125, PM6150, PM6150A, PM6150L, PM6250, PM6350, PM640A, PM640L, PM640P, PM660, PM660A, PM660L, PM670, PM670A, PM670L, PM7150A, PM7150L, PM7250, PM7250B, PM7350C, PM8004, PM8005, PM8008, PM8009, PM8150, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM8350B, PM8350BH, PM8350BHS, PM8350C, PM855, PM855A, PM855B, PM855L, PM855P, PM8909, PM8916, PM8937, PM8940, PM8953, PM8996, PM8998, PMC1000H, PMD9655, PME605, PMI632, PMI8937, PMI8952, PMI8994, PMI8996, PMI8998, PMK7350, PMK8001, PMK8002, PMK8003, PMK8350, PMM6155AU, PMM8155AU, PMM855AU, PMM8996AU, PMR525, PMR735A, PMR735B, PMW3100, PMX20, PMX24, PMX50, PMX55, QAT3514, QAT3516, QAT3518, QAT3519, QAT3522, QAT3550, QAT3555, QAT5515, QAT5516, QAT5522, QAT5533, QAT5568, QBT1000, QBT15 ...[truncated*]

References

1 Links

Other references

https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletin

Record Details

Published

2021-06-09

Last updated

2025-10-21

Assigner (CNA)

qualcomm

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.