CVE-2020-11261: Qualcomm Multiple Chipsets Improper Input Validation Vulnerability
Vulnerability summary
CVE-2020-11261 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables. It is known to be exploited: CISA lists it, first on 01-12-2021. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.6% of scored vulnerabilities.
Timeline
- 09-06-2021PublishedVulnerability first disclosed.
- 01-12-2021Added to CISA KEVQualcomm Multiple Chipsets Improper Input Validation Vulnerability
- 01-06-2022CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
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
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.60%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
-0.17 pp
From 1.77% on 21-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 01-12-2021
- Federal due date
- 01-06-2022
CISA required action
Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2020-11261
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Qualcomm199 products
Qualcomm, inc.1 product
- snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice & music, snapdragon wearablesAPQ8009, 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*]
2 vendors · 200 products · Showing 200 of 400. Use Open JSON for the complete list.
References
2 links- www.qualcomm.com/company/product-security/bulletins/january-2021-bulletinX Refsource CONFIRMPatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11261Government ResourceUS Government Resource