How severe is CVE-2021-30335?

CVE-2021-30335 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-30335 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30335?

CVE-2021-30335 primarily affects Qualcomm Apq8009w Firmware. In total, 174 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-30335?

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-2021-30335 published?

CVE-2021-30335 was published on 2022-01-03 and last updated on 2026-06-17.

CVE-2021-30335

CVE-2021-30335 is a high-severity vulnerability in Qualcomm Apq8009w Firmware with a CVSS 3.x base score of 8.4. 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-617.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v2: 7.2
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-617
Affected product: Qualcomm Apq8009w Firmware
Published: 2022-01-03
Last modified: 2026-06-17

Description

Possible assertion in QOS request due to improper validation when multiple add or update request are received simultaneously in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Frequently asked questions

What is CVE-2021-30335?: Possible assertion in QOS request due to improper validation when multiple add or update request are received simultaneously in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
How severe is CVE-2021-30335?: CVE-2021-30335 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-30335 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30335?: CVE-2021-30335 primarily affects Qualcomm Apq8009w Firmware. In total, 174 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-30335?: 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-2021-30335 published?: CVE-2021-30335 was published on 2022-01-03 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

Affected products (174)

cpe:2.3:o:qualcomm:apq8009w_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10055_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10056_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4019_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq4029_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8064_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8065_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8068_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8071_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8071a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8072_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8072a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8074_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8074a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8076_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8076a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8078_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8078a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8173_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8174_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Apq8009w Firmware

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CVE-2022-22088 — Critical (CVSS 9.8): Memory corruption in Bluetooth HOST due to buffer overflow while parsing the command response received from remote
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-2021-30341 — Critical (CVSS 9.8): Improper buffer size validation of DSM packet received can lead to memory corruption in Snapdragon Auto, Snapdragon…
CVE-2021-30351 — Critical (CVSS 9.8): An out of bound memory access can occur due to improper validation of number of frames being passed during music…

All CVEs affecting Qualcomm Apq8009w Firmware →

Other CWE-617 (Reachable Assertion) vulnerabilities

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CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.

Browse all CWE-617 (Reachable Assertion) vulnerabilities →