01 Record
CVE-2021-1984
Possible buffer overflow due to improper validation of index value while processing the plugin block in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,
HighPUBLISHEDCNA: qualcomm
CNA base score8.4 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
Possible buffer overflow due to improper validation of index value while processing the plugin block in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.16% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 5.3% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-10-20 06:31Z5 YR AGO
- Last updated
- 2024-08-03 16:32Z2 YR AGO
- Reserved
- 2020-12-08
- Assigning CNA
- qualcomm
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.4)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- 742b46bf09185398260a50a1cac7d1f1fad80ace00e0657fb04eaa5ce39a0a14
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon WearablesAPQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, MSM8917, MSM8953, MSM8996AU, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6426, QCA6430, QCA6436, QCA6564A, QCA6564AU, QCA6574A, QCA6574AU, QCM2290, QCM4290, QCM6125, QCM6490, QCS2290, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCS6490, Qualcomm215, SD 455, SD 636, SD 675, SD205, SD210, SD429, SD439, SD460, SD480, SD632, SD662, SD665, SD675, SD678, SD690 5G, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD855, SD865 5G, SD870, SD888, SD888 5G, SDM630, SDX50M, SDX55, SDX55M, SDXR1, SDXR2 5G, SM4125, SM6250, SM6250P, SM7250P, SM7315, SM7325P, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3660B, WCN3680, WCN3680B, WCN3910, WCN3950, WCN3988, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8830, WSA8835—