Cyber Resilience

CVE-2023-33018

Memory Safety in Qualcomm 315 5G Iot Modem Firmware

Memory Safety
Published
05 December 2023
Modified
11 August 2025
Patch / advisory
View advisory
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0011 1th percentile
Risk Priority 54 floored blend · peak EPSS

Summary

CVE-2023-33018 is a high-severity Integer Overflow to Buffer Overflow (CWE-680) vulnerability in Qualcomm 315 5G Iot Modem Firmware. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

Memory corruption while using the UIM diag command to get the operators name.

CWE(s)
CWE-680CWE-190

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-33022Same product: Qualcomm 315 5G Iot Modem
CVE-2024-38422Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33017Same product: Qualcomm 315 5G Iot Modem
CVE-2023-21644Same product: Qualcomm Aqt1000
CVE-2023-33107Same product: Qualcomm 315 5G Iot Modem
CVE-2024-21470Same product: Qualcomm Aqt1000
CVE-2023-28588Same product: Qualcomm Apq8017
CVE-2023-33063Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33059Same product: Qualcomm 315 5G Iot Modem
CVE-2024-21454Same product: Qualcomm C-V2X 9150

Affected Assets

qualcomm
315 5g iot modem firmware
all versions
qualcomm
9205 lte modem firmware
all versions
qualcomm
9206 lte modem firmware
all versions
qualcomm
9207 lte modem firmware
all versions
qualcomm
apq8017 firmware
all versions
qualcomm
apq8037 firmware
all versions
qualcomm
aqt1000 firmware
all versions
qualcomm
ar6003 firmware
all versions
qualcomm
ar8035 firmware
all versions
qualcomm
c-v2x 9150 firmware
all versions
+253 more product configuration(s) — see NVD for full list

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V5.2.6

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly prevent integer-overflow flaws during development, but eliminating only this CWE covers only part of the broad control intent.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect integer-overflow-to-buffer-overflow conditions during development.

A.8.25 Secure development life cycle partial match
prevents

Secure development life cycle mandates practices that can catch integer overflows before deployment.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify safe integer handling and bounds checking.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles encourage use of safe arithmetic libraries and overflow detection.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require prevention of integer overflows that lead to buffer overflows.

References