CVE-2023-33020
highpriority · track · 30EPSS 0.004 · 29 %ileEUUSgrimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.35% (29th) EPSS
CVSS 7.5 · high
Who says so?
2 sources
cnnvd · enisa_euvd
EPSS · scored 2026-10-27
Transient DOS in WLAN Host when an invalid channel (like channel out of range) is received in STA during CSA IE.
01
cvss
Technical severity, 0–10. One row per scoring source.
7.5
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · product-security@qualcomm.comexploitability 3.9 · impact 3.6
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (164)
Products and version ranges known to be affected.
showing 20 of 164
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
published 2023-09-05modified 2026-06-17
06
references (4)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-33020/cnnvd
- https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletincnnvd
- https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletinenisa_euvd
- https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletinPatchVendor Advisorynvd
scry
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