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Fencer Vulns
high 7.5

CVE-2023-33019 json

Improper Authorization in WLAN Host

published 2023-09-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37208

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

Transient DOS in WLAN Host while doing channel switch announcement (CSA), when a mobile station receives invalid channel in CSA IE.

Patch / fix

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm 9206_lte_modem_firmware
  • qualcomm apq8017_firmware
  • qualcomm apq8052_firmware
  • qualcomm apq8056_firmware
  • qualcomm apq8076_firmware
  • qualcomm ar8031_firmware
  • qualcomm c-v2x_9150_firmware
  • qualcomm csra6620_firmware
  • qualcomm csra6640_firmware
  • qualcomm fastconnect_6200_firmware
  • qualcomm home_hub_100_platform_firmware
  • qualcomm mdm9250_firmware
  • qualcomm mdm9628_firmware
  • qualcomm mdm9650_firmware
  • qualcomm msm8108_firmware
  • qualcomm msm8209_firmware
  • qualcomm msm8608_firmware
  • qualcomm msm8909w_firmware
  • qualcomm msm8996au_firmware
  • qualcomm qca6174a_firmware
  • qualcomm qca6175a_firmware
  • qualcomm qca6554a_firmware
  • qualcomm qca6564a_firmware
  • qualcomm qca6564au_firmware
  • qualcomm qca6574_firmware
  • qualcomm qca6574a_firmware
  • qualcomm qca6574au_firmware
  • qualcomm qca6584_firmware
  • qualcomm qca6584au_firmware
  • qualcomm qca6595_firmware
  • qualcomm qca6595au_firmware
  • qualcomm qca6696_firmware
  • qualcomm qca9367_firmware
  • qualcomm qca9377_firmware
  • qualcomm qca9379_firmware
  • qualcomm qualcomm_205_mobile_platform_firmware
  • qualcomm qualcomm_215_mobile_platform_firmware
  • qualcomm sd626_firmware
  • qualcomm sdm429w_firmware
  • qualcomm sdx20m_firmware
  • qualcomm smart_audio_200_platform_firmware
  • qualcomm smart_audio_400_platform_firmware
  • qualcomm snapdragon_1200_wearable_platform_firmware
  • qualcomm snapdragon_208_processor_firmware
  • qualcomm snapdragon_210_processor_firmware
  • qualcomm snapdragon_212_mobile_platform_firmware
  • qualcomm snapdragon_425_mobile_platform_firmware
  • qualcomm snapdragon_429_mobile_platform_firmware
  • qualcomm snapdragon_439_mobile_platform_firmware

Classification

Weakness

References

Sources

Fencer Vulns 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.