How severe is CVE-2021-30256?

CVE-2021-30256 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-2021-30256 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-2021-30256?

CVE-2021-30256 primarily affects Qualcomm Apq8017 Firmware. In total, 77 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-30256?

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-2021-30256 published?

CVE-2021-30256 was published on 2021-10-20 and last updated on 2026-06-17.

CVE-2021-30256

CVE-2021-30256 is a high-severity vulnerability in Qualcomm Apq8017 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-787.

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-787
Affected product: Qualcomm Apq8017 Firmware
Published: 2021-10-20
Last modified: 2026-06-17

Description

Possible stack overflow due to improper validation of camera name length before copying the name in VR Service in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT

Frequently asked questions

What is CVE-2021-30256?: Possible stack overflow due to improper validation of camera name length before copying the name in VR Service in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT
How severe is CVE-2021-30256?: CVE-2021-30256 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-2021-30256 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-2021-30256?: CVE-2021-30256 primarily affects Qualcomm Apq8017 Firmware. In total, 77 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-30256?: 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-2021-30256 published?: CVE-2021-30256 was published on 2021-10-20 and last updated on 2026-06-17.

References

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

Affected products (77)

cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8917_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8953_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:qcm2290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs2290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs6490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qualcomm215_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_636_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_675_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd429_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd439_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd460_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd632_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd662_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd665_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd675_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd678_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd690_5g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd720g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd730_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd750g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd765_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd765g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd768g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd778g_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Apq8017 Firmware

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