CVE-2023-21659

CVE-2023-21659 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem Firmware with a CVSS 3.x base score of 7.5. 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-125.

Key facts

Description

Transient DOS in WLAN Firmware while processing frames with missing header fields.

Frequently asked questions

What is CVE-2023-21659?
Transient DOS in WLAN Firmware while processing frames with missing header fields.
How severe is CVE-2023-21659?
CVE-2023-21659 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-21659 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21659?
CVE-2023-21659 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 270 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21659?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-21659 published?
CVE-2023-21659 was published on 2023-06-06 and last updated on 2026-06-17.

References

Affected products (270)

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