CVE-2023-21627

CVE-2023-21627 is a medium-severity vulnerability in Qualcomm Aqt1000 Firmware with a CVSS 3.x base score of 6.7. 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-704.

Key facts

• Severity: Medium (CVSS 3.x base score 6.7)
• EPSS exploit prediction: 0% (2nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-704
• Affected product: Qualcomm Aqt1000 Firmware
• Published: 2023-08-08
• Last modified: 2026-06-17

Description

Memory corruption in Trusted Execution Environment while calling service API with invalid address.

Frequently asked questions

What is CVE-2023-21627?

Memory corruption in Trusted Execution Environment while calling service API with invalid address.

How severe is CVE-2023-21627?

CVE-2023-21627 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-21627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21627?

CVE-2023-21627 primarily affects Qualcomm Aqt1000 Firmware. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21627?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-21627 published?

CVE-2023-21627 was published on 2023-08-08 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin

Affected products (48)

• cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcc5100_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs8155_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa6150p_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:sa8155p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd855_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd870_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd888_5g_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sda429w_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdxr2_5g_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sw5100_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sw5100p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn3610_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn3680b_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Aqt1000 Firmware

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• CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
• CVE-2023-28562 — Critical (CVSS 9.8): Memory corruption while handling payloads from remote ESL.
• 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.
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• CVE-2025-41648 — Critical (CVSS 9.8): An unauthenticated remote attacker can bypass the login to the web application of the affected devices making it…
• CVE-2025-41646 — Critical (CVSS 9.8): An unauthorized remote attacker can bypass the authentication of the affected software package by misusing an incorrect…
• CVE-2021-33318 — Critical (CVSS 9.8): An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and…
• CVE-2020-25576 — Critical (CVSS 9.8): An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices…
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