CVE-2022-33211

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CVE

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

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

CRITICAL · CVSS 9.8 EPSS 0.00286

Schedule remediation

SSVC automatable: yes - attacks can be scripted at scale
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-131Incorrect Calculation of Buffer Size

CWE-20Improper Input Validation

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Affected Products & Versions

qualcomm mdm8207 firmwareall versions
qualcomm mdm9205 firmwareall versions
qualcomm mdm9206 firmwareall versions
qualcomm mdm9207 firmwareall versions
qualcomm qca4004 firmwareall versions
qualcomm qts110 firmwareall versions
qualcomm snapdragon wear 1100 firmwareall versions
qualcomm snapdragon wear 1200 firmwareall versions
Show all 12 affected productsqualcomm snapdragon wear 1300 firmwareall versions
qualcomm snapdragon x5 lte modem firmwareall versions
qualcomm wcd9306 firmwareall versions
qualcomm wcd9330 firmwareall versions

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Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD13 Apr 2023 · 07:15 AM

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

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

yes

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://www.qualcomm.com/company/product-security/bulletins/april-2023-bulletinVendor Advisory

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NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

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