How severe is CVE-2021-35108?

CVE-2021-35108 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-35108 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35108?

CVE-2021-35108 primarily affects Qualcomm Sd 8 Gen1 5g Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-35108?

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

When was CVE-2021-35108 published?

CVE-2021-35108 was published on 2022-09-02 and last updated on 2026-06-17.

CVE-2021-35108

CVE-2021-35108 is a medium-severity vulnerability in Qualcomm Sd 8 Gen1 5g Firmware with a CVSS 3.x base score of 6.8. 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-754.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-754
Affected product: Qualcomm Sd 8 Gen1 5g Firmware
Published: 2022-09-02
Last modified: 2026-06-17

Description

Improper checking of AP-S lock bit while verifying the secure resource group permissions can lead to non secure read and write access in Snapdragon Connectivity, Snapdragon Mobile

Frequently asked questions

What is CVE-2021-35108?: Improper checking of AP-S lock bit while verifying the secure resource group permissions can lead to non secure read and write access in Snapdragon Connectivity, Snapdragon Mobile
How severe is CVE-2021-35108?: CVE-2021-35108 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-35108 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35108?: CVE-2021-35108 primarily affects Qualcomm Sd 8 Gen1 5g Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-35108?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35108 published?: CVE-2021-35108 was published on 2022-09-02 and last updated on 2026-06-17.

References

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

Affected products (15)

cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8475_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8475p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7851_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Sd 8 Gen1 5g Firmware

CVE-2025-27034 — Critical (CVSS 9.8): Memory corruption while selecting the PLMN from SOR failed list.
CVE-2025-21483 — Critical (CVSS 9.8): Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.
CVE-2023-33045 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while parsing a NAN management frame carrying a S3 attribute.
CVE-2023-33028 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while doing a memory copy of pmk cache.
CVE-2023-28581 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while parsing receieved GTK Keys in GTK KDE.
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-2024-52316 — Critical (CVSS 9.8): Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta…
CVE-2024-7826 — Critical (CVSS 9.8): Improper Check for Unusual or Exceptional Conditions vulnerability in Webroot SecureAnywhere - Web Shield on Windows,…
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