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CVE-2020-11159

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE...

9.1 Critical

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE length is less than length of frame pointer being accessed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
High

Exploit likelihood

0.80%Up 0.4 points since Jun 9, 2021
90%50%10%1%

What each source reports

NVD Score used 9.1

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE length is less than length of frame pointer being accessed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Record
CVE-2020-11159
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0
9.4 HighAV:N/AC:L/Au:N/C:C/I:N/A:C
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE length is less than length of frame pointer being accessed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Record
CVE-2020-11159
Updated
2026-11-02
EUVDEUVD-2020-3513 No score

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE length is less than length of frame pointer being accessed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Record
EUVD-2020-3513
Updated
2026-11-03
GitHub AdvisoriesGHSA-r3mg-9gmj-rf3j No score

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE...

Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE length is less than length of frame pointer being accessed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Record
GHSA-r3mg-9gmj-rf3j
Weakness
CWE-125
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-11159 is a critical vulnerability (CVSS 9.1) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure And Networking, published June 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.

References

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