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 bei…

published 2021-06-09 5y ago modified 2026-06-17 4mo ago also EUVD-2020-3513

cvss: 9.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

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

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Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD	2.0	9.4	AV:N/AC:L/Au:N/C:C/I:N/A:C

Affected products

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

Classification

Weakness

CWE-125 Out-of-bounds Read

References

qualcomm.com /company/product-security/bulletins/january-2021-bulletin
vendor-advisory

Sources

CVE List CVE-2020-11159
NVD CVE-2020-11159

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.