CVE-2023-21671
Improper Input Validation in Core
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.3
Improper Input Validation in Core
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
- Record
CVE-2023-21671- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-25838
9.3
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
- Record
EUVD-2023-25838- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7p43-mhw4-pxh2
7.8
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
- Record
GHSA-7p43-mhw4-pxh2- 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-20
- Updated
- 2026-11-02
NVD
9.3
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
- Record
CVE-2023-21671- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/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-20
- Updated
- 2026-11-02
Affected products
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm qca6391 firmware
- qualcomm qcm6490 firmware
- qualcomm qcs6490 firmware
- qualcomm qsm8350 firmware
- qualcomm sd888 firmware
- qualcomm sm7315 firmware
- qualcomm sm7325p firmware
- qualcomm snapdragon 778g\+ 5g mobile platform firmware
- qualcomm snapdragon 778g 5g mobile platform firmware
- qualcomm snapdragon 780g 5g mobile platform firmware
Show 13 moreShow less
- qualcomm snapdragon 782g mobile platform firmware
- qualcomm snapdragon 7c\+ gen 3 compute firmware
- qualcomm snapdragon 888\+ 5g mobile platform firmware
- qualcomm snapdragon 888 5g mobile platform firmware
- qualcomm video collaboration vc3 platform firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn6740 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21671 is a critical vulnerability (CVSS 9.3) in Qualcomm Fastconnect 6700 Firmware, published November 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.