CVE-2021-1966

MEDIUMNVD 6.76.7—Trending — 3 sources updated this week

6.7

Possible buffer overflow due to lack of length check of source and destination buffer before copying in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

CVSS v3: 6.7
EG Score: 6.7(medium)
EPSS: 18.7%
KEV: Not listed

Published

October 20, 2021

Last Modified

November 21, 2024

References (2)

product-security@qualcommhttps://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin
af854a3a-2127-422b-91ae-364da2661108https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 08:49 UTCEG score recompute
2026-05-26 08:49 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:49 UTCepss_batch

Frequently asked(5)

What is CVE-2021-1966?

CVE-2021-1966 is a medium vulnerability published on October 20, 2021. Possible buffer overflow due to lack of length check of source and destination buffer before copying in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

When was CVE-2021-1966 disclosed?

CVE-2021-1966 was first published in the National Vulnerability Database on October 20, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-1966 actively exploited?

CVE-2021-1966 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-1966?

CVE-2021-1966 has a CVSS v3 base score of 6.7 (NVD).

How do I remediate CVE-2021-1966?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-1966, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-1966

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CVE-2021-1966

📅 Published

🔄 Last Modified

🔗 References (2)