CVE-2023-21665
Qualcomm 8909 Firmware
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-21665 is a high-severity Incorrect Type Conversion or Cast (CWE-704) vulnerability in Qualcomm 8909 Firmware. Its CVSS base score is 8.4 (High).
Operationally, ranked at the 7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-25832
Vulnerability Data
Memory corruption in Graphics while importing a file.
- CWE(s)
Related Threats
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Secure development lifecycle includes type-safety reviews that reduce incorrect casts.
A.8.26 only requires that security requirements (including resilience against attacks such as buffer overflows or SQL injection) be identified and specified during development or acquisition; it does not itself enforce, implement, or prevent any type-conversion defects from arising or being exploitable.
Secure architecture principles discourage unsafe type conversions in design.
Secure coding standards directly forbid or detect incorrect type casts.
Security testing can uncover type-conversion defects before release.
Hardening callouts derived
DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.
- No fine-grained STIG row for CWE-704, a class-level weakness, and none of its children carries one either.