What’s Vulnerable › Vulnerabilities

CVE-2023-21631: Improper Input Validation in Modem

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-04 · updated 2026-06-17
Weakness: CWE-20

Description

Weak Configuration due to improper input validation in Modem while processing LTE security mode command message received from network.

Affected products

Qualcomm 205 Firmware: all versions
Qualcomm 215 Firmware: all versions
Qualcomm 315 5G Firmware: all versions
Qualcomm 9205 Firmware: all versions
Qualcomm Apq8017 Firmware: all versions
Qualcomm Apq8037 Firmware: all versions
Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm C-V2X 9150 Firmware: all versions
Qualcomm Csra6620 Firmware: all versions
Qualcomm Csra6640 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Fastconnect 6200 Firmware: all versions
Qualcomm Fastconnect 6700 Firmware: all versions
Qualcomm Fastconnect 6800 Firmware: all versions
Qualcomm Fastconnect 6900 Firmware: all versions
Qualcomm Fastconnect 7800 Firmware: all versions
Qualcomm Mdm9628 Firmware: all versions
Qualcomm Msm8108 Firmware: all versions
Qualcomm Msm8209 Firmware: all versions
Qualcomm Msm8608 Firmware: all versions
Qualcomm Msm8909W Firmware: all versions
Qualcomm Qca4004 Firmware: all versions
Qualcomm Qca6174A Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6420 Firmware: all versions
Qualcomm Qca6421 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6430 Firmware: all versions
Qualcomm Qca6431 Firmware: all versions

References

Get alerted when CVE-2023-21631 or the next vulnerability affects your stack