CVE-2023-21643
CVE-2023-21643 is a critical-severity vulnerability in Qualcomm Apq8064au Firmware with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Qualcomm Apq8064au Firmware
- Published:
- Last modified:
Description
Memory corruption due to untrusted pointer dereference in automotive during system call.
Frequently asked questions
- What is CVE-2023-21643?
- Memory corruption due to untrusted pointer dereference in automotive during system call.
- How severe is CVE-2023-21643?
- CVE-2023-21643 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
- Is CVE-2023-21643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21643?
- CVE-2023-21643 primarily affects Qualcomm Apq8064au Firmware. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-21643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-21643 published?
- CVE-2023-21643 was published on 2023-08-08 and last updated on 2026-06-17.
References
Affected products (24)
- cpe:2.3:o:qualcomm:apq8064au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:apq8096au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa6155_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8295p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa8540p_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sa9000p_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Qualcomm Apq8064au Firmware
- CVE-2025-21483 — Critical (CVSS 9.8): Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.
- CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
- CVE-2022-25720 — Critical (CVSS 9.8): Memory corruption in WLAN due to out of bound array access during connect/roaming in Snapdragon Auto, Snapdragon…
- CVE-2021-35104 — Critical (CVSS 9.8): Possible buffer overflow due to improper parsing of headers while playing the FLAC audio clip in Snapdragon Auto,…
- CVE-2021-1976 — Critical (CVSS 9.8): A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto,…
- CVE-2021-1972 — Critical (CVSS 9.8): Possible buffer overflow due to improper validation of device types during P2P search in Snapdragon Auto, Snapdragon…
All CVEs affecting Qualcomm Apq8064au Firmware →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…