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Vulnerability record · CVE-2022-33211 · published 13 April 2023

CVE-2022-33211: Qualcomm mdm8207 firmware improper input validation vulnerability

Qualcomm · Mdm8207 Firmware

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

9.8 CVSS 3.1 Critical EPSS 0.42% · top 66.2% CWE-20 · Improper input validationCWE-131 · CWE-131
9.8CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/april-2023-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/april-2023-bulletin Vendor Advisory

Track CVE-2022-33211 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2021-1905Qualcomm Snapdragon chipsets use-after-free in memory mapping handlingA use-after-free flaw exists in multiple Qualcomm Snapdragon chipset families due to improper handling of memory mapping when multiple processes oper…KEVEPSS 1.5%analysed5.5CVE-2021-1906Qualcomm Snapdragon GPU address deregistration failure causes allocation denialImproper handling of address deregistration on failure in Qualcomm Snapdragon chipsets can cause subsequent GPU address allocation to fail. The flaw …KEVEPSS 0.52%analysed9.8CVE-2023-22388Qualcomm 315 5g iot modem firmware out-of-bounds write vulnerabilityMemory Corruption in Multi-mode Call Processor while processing bit mask API.EPSS 0.35%9.8CVE-2023-22385Qualcomm 315 5g iot modem firmware out-of-bounds write vulnerabilityMemory Corruption in Data Modem while making a MO call or MT VOLTE call.EPSS 0.42%9.8CVE-2022-40510Qualcomm apq8009 firmware out-of-bounds write vulnerabilityMemory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.EPSS 0.43%9.8CVE-2023-21631Qualcomm 315 5g firmware improper input validation vulnerabilityWeak Configuration due to improper input validation in Modem while processing LTE security mode command message received from network.EPSS 0.36%9.8CVE-2022-33259Qualcomm mdm8207 firmware classic buffer overflow vulnerabilityMemory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.EPSS 0.42%9.8CVE-2022-25745Qualcomm mdm9205 firmware vulnerabilityMemory corruption in modem due to improper input validation while handling the incoming CoAP messageEPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2022-33211), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.