How severe is CVE-2021-35098?

CVE-2021-35098 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-2021-35098 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-2021-35098?

CVE-2021-35098 primarily affects Qualcomm Apq8053 Firmware. In total, 86 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-35098?

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

When was CVE-2021-35098 published?

CVE-2021-35098 was published on 2022-06-14 and last updated on 2026-06-17.

CVE-2021-35098

CVE-2021-35098 is a medium-severity vulnerability in Qualcomm Apq8053 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Qualcomm Apq8053 Firmware
Published: 2022-06-14
Last modified: 2026-06-17

Description

Improper validation of session id in PCM routing process can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Frequently asked questions

What is CVE-2021-35098?: Improper validation of session id in PCM routing process can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
How severe is CVE-2021-35098?: CVE-2021-35098 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-2021-35098 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-2021-35098?: CVE-2021-35098 primarily affects Qualcomm Apq8053 Firmware. In total, 86 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-35098?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35098 published?: CVE-2021-35098 was published on 2022-06-14 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/may-2022-bulletin

Affected products (86)

cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8096au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8953_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174a_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:qca6574a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs603_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qrb5165_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qrb5165m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qrb5165n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qualcomm215_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa515m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd429_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd460_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd662_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd680_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd690_5g_firmware:-:*:*:*:*:*:*:*

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