01 Record
CVE-2021-30331
Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,
MediumPUBLISHEDCNA: qualcomm
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
02 Description
Possible buffer overflow due to improper data validation of external commands sent via DIAG interface 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
- 0.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.6% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (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:N/A:N
- 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
- 2022-04-01 04:40Z4 YR AGO
- Last updated
- 2024-08-03 22:32Z2 YR AGO
- Reserved
- 2021-04-07
- Assigning CNA
- qualcomm
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- 634846a5ae69a3557ec6361704ee39383368f1f131fcaff44e72b43866480a84
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon WearablesAR8035, FSM10055, FSM10056, MDM9150, MDM9650, QCA6174A, QCA6390, QCA6391, QCA6426, QCA6436, QCA8081, QCA8337, QCA9377, QCM2290, QCM4290, QCM6125, QCM6490, QCS2290, QCS410, QCS4290, QCS610, QCS6125, QCS6490, QCX315, SD 675, SD 8 Gen1 5G, SD460, SD480, SD662, SD665, SD675, SD678, SD690 5G, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD865 5G, SD870, SD888 5G, SDX55, SDX55M, SDX65, SDXR2 5G, SM6225, SM6250, SM6250P, SM6375, SM7250P, SM7325P, SW5100, SW5100P, WCD9335, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3910, WCN3950, WCN3980, WCN3988, WCN3990, WCN3991, WCN3998, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8810, WSA8815, WSA8830, WSA8835—