CVE-2020-11261
Qualcomm Multiple Chipsets Improper Input Validation Vulnerability
- High 7.8
- Exploited: added to CISA KEV 1 Dec 2021
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
Key facts
- Published
- 9 Jun 2021
- Last changed
- 21 Oct 2025
- Assigned by
- qualcomm
- KEV added
- 1 Dec 2021
- KEV fix due
- 1 Jun 2022
- EPSS
- 1.529% likely to be exploited in the next 30 days, higher than 75.145% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm, Inc. | Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables |
|
Timeline
- 9 Jun 2021 Published
- 1 Dec 2021 CVE-2020-11261 added to CISA KEV
- 1 Dec 2021 Added to the CISA KEV catalogue