CVE-2023-21635
Buffer Copy without Checking Size of Input in Data Network Stack & Connectivity
Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer Copy without Checking Size of Input in Data Network Stack & Connectivity
Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.
- Record
CVE-2023-21635- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-25802
Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.
- Record
EUVD-2023-25802- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3pfh-89x5-83xr
Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.
Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.
- Record
GHSA-3pfh-89x5-83xr- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
NVD
Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.
- Record
CVE-2023-21635- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
Affected products
- qualcomm aqt1000 firmware
- qualcomm csrb31024 firmware
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6800 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm qca6391 firmware
- qualcomm qca6420 firmware
- qualcomm qca6426 firmware
- qualcomm qca6430 firmware
- qualcomm qca6436 firmware
- qualcomm qca6564 firmware
- qualcomm qca6564au firmware
Show 43 moreShow less
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6595au firmware
- qualcomm qca6696 firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sd855 firmware
- qualcomm sd865 5g firmware
- qualcomm snapdragon 855\+\/860 firmware
- qualcomm snapdragon 855 firmware
- qualcomm snapdragon 855 mobile platform firmware
- qualcomm snapdragon 865\+ 5g firmware
- qualcomm snapdragon 865 5g firmware
- qualcomm snapdragon 865 5g mobile platform firmware
- qualcomm snapdragon 870 5g firmware
- qualcomm snapdragon auto 4g firmware
- qualcomm snapdragon auto 4g modem firmware
- qualcomm snapdragon w5\+ gen 1 firmware
- qualcomm snapdragon wear 4100\+ firmware
- qualcomm snapdragon x55 5g firmware
- qualcomm snapdragon x55 5g modem-rf system firmware
- qualcomm snapdragon xr2 5g firmware
- qualcomm snapdragon xr2 5g platform firmware
- qualcomm sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm sxr2130 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9380 firmware
- qualcomm wcn3610 firmware
- qualcomm wcn3660b firmware
- qualcomm wcn3680b firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21635 is a medium vulnerability (CVSS 6.7) in Qualcomm Aqt1000 Firmware, published July 4, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.