01 Record
CVE-2020-11307
Buffer overflow in modem due to improper array index check before copying into it in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT,
CriticalPUBLISHEDCNA: qualcomm
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
Buffer overflow in modem due to improper array index check before copying into it in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial 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
- 0.93% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 60.5% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/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
- 2021-07-13 05:30Z5 YR AGO
- Last updated
- 2024-08-04 11:28Z2 YR AGO
- Reserved
- 2020-03-31
- Assigning CNA
- qualcomm
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-129Improper Validation of Array IndexVariant
- Data version
- 5.1
- Document digest
- 4e138b6f8042d5d2ed51242c8856b66c314855e14f604da825f3bc411112d3cf
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon WearablesAPQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, MSM8909W, MSM8917, MSM8937, MSM8953, MSM8996AU, PM8937, QCA6320, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, QCM2290, QCM4290, QCM6125, QCS2290, QCS4290, QCS603, QCS605, QCS610, QCS6125, Qualcomm215, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD 455, SD 636, SD 675, SD205, SD210, SD429, SD439, SD450, SD460, SD480, SD632, SD660, SD662, SD665, SD670, SD675, SD678, SD690 5G, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD835, SD855, SD865 5G, SD870, SD888, SD888 5G, SDM429W, SDM630, SDM830, SDW2500, SDX50M, SDX55, SDX55M, SDXR1, SDXR2 5G, SM4125, SM6250, SM6250P, SM7250P, SM7325P, WCD9335, WCD9370, WCD9371, WCD9375, WCD9380, WCD9385, WCN3610, WCN3615, WCN3620, WCN3660, WCN3660B, WCN3680, WCN3680B, WCN3910, WCN3950, WCN3988, WCN3991, WCN3998, WCN6740, WCN6750, WCN—