Security 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

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

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 Junk Data (T1001.001); 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

T1001.001 Junk Data Command And Control
Adversaries may add junk data to protocols used for command and control to make detection more difficult.
attack.mitre.org →
T1001.003 Protocol or Service Impersonation Command And Control
Adversaries may impersonate legitimate protocols or web service traffic to disguise command and control activity and thwart analysis efforts.
attack.mitre.org →
T1003 OS Credential Dumping Credential Access
Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password.
attack.mitre.org →
T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
attack.mitre.org →
T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
attack.mitre.org →
T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
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-2023-28585Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33059Same product: Qualcomm 315 5G Iot Modem

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 partial match
blocks

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.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.5.4 Management responsibilities partial match
removes

References