How severe is CVE-2021-30260?

CVE-2021-30260 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-2021-30260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30260?

CVE-2021-30260 primarily affects Qualcomm Apq8009 Firmware. In total, 258 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-30260?

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-2021-30260 published?

CVE-2021-30260 was published on 2021-09-17 and last updated on 2026-06-17.

CVE-2021-30260

CVE-2021-30260 is a high-severity vulnerability in Qualcomm Apq8009 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v2: 4.6
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Qualcomm Apq8009 Firmware
Published: 2021-09-17
Last modified: 2026-06-17

Description

Possible Integer overflow to buffer overflow issue can occur due to improper validation of input parameters when extscan hostlist configuration command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Frequently asked questions

What is CVE-2021-30260?: Possible Integer overflow to buffer overflow issue can occur due to improper validation of input parameters when extscan hostlist configuration command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
How severe is CVE-2021-30260?: CVE-2021-30260 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-2021-30260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30260?: CVE-2021-30260 primarily affects Qualcomm Apq8009 Firmware. In total, 258 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-30260?: 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-2021-30260 published?: CVE-2021-30260 was published on 2021-09-17 and last updated on 2026-06-17.

References

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

Affected products (258)

cpe:2.3:o:qualcomm:apq8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8064au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8076_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8092_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8094_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:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csr6030_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:ipq4018_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:ipq8069_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:-:*:*:*:*:*:*:*

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