01 Record
CVE-2021-1939
Null pointer dereference occurs due to improper validation when the preemption feature enablement is toggled 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
Null pointer dereference occurs due to improper validation when the preemption feature enablement is toggled 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
- 0.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.2% 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:N/I:N/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
- 2021-09-17 07:05Z5 YR AGO
- Last updated
- 2024-08-03 16:25Z2 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-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- dfcbfbc4912d3e40dccee78dcf1c4de77d1abaf58100a76709fd3ec5e9450aa5
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon WearablesAPQ8009, APQ8009W, APQ8017, AQT1000, MSM8909W, MSM8917, QCA4020, QCA6174A, QCA6310, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6574, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA9377, QCA9379, QCS603, QCS605, QET4101, QSM8250, QSW8573, Qualcomm215, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD 675, SD205, SD210, SD429, SD439, SD450, SD480, SD632, SD665, SD670, SD675, SD678, SD690 5G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD845, SD855, SD865 5G, SD870, SD888, SD888 5G, SDA429W, SDM429W, SDM830, SDX24, SDX55, SDX55M, SDXR1, SDXR2 5G, SM4125, SM7250P, SM7315, SM7325P, WCD9335, WCD9340, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3620, WCN3660, WCN3660B, WCN3680, WCN3910, WCN3950, WCN3988, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8810, WSA8815, WSA8830, WSA8835—