Improper Input Validation in MODEM

published 2023-04-04 3y ago modified 2026-06-17 4mo ago also EUVD-2022-36254

cvss: 9.8; 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 36%
public exploits: 0; none known

memory corruption in modem due to improper check while calculating size of serialized CoAP message

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2y ago (2024-06-10)

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Qualcomm, Inc. Snapdragon
qualcomm 9205_lte_modem_firmware
qualcomm 9206_lte_modem_firmware
qualcomm 9207_lte_modem_firmware
qualcomm mdm8207_firmware
qualcomm qca4004_firmware
qualcomm qts110_firmware
qualcomm snapdragon_1100_wearable_platform_firmware
qualcomm snapdragon_1200_wearable_platform_firmware
qualcomm snapdragon_wear_1300_platform_firmware
qualcomm snapdragon_x5_lte_modem_firmware
qualcomm wcd9306_firmware
qualcomm wcd9330_firmware

Classification

Weakness

CWE-20 Improper Input Validation
CWE-131 Incorrect Calculation of Buffer Size

References

qualcomm.com /company/product-security/bulletins/april-2023-bulletin
vendor-advisory

Sources

CVE List CVE-2022-33211
NVD CVE-2022-33211

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