01 Record
CVE-2021-1927
Possible use after free due to lack of null check while memory is being freed in FastRPC driver in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon
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 use after free due to lack of null check while memory is being freed in FastRPC driver in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon
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 5.0% 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
- 2021-05-07 09:10Z5 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-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 727c3686cee6b9acf462d21266f270d38ef6c13f20bf5fc6d44c71ddd9bd21b5
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and NetworkingAPQ8009, APQ8009W, APQ8017, APQ8053, AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, FSM10055, FSM10056, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ6000, IPQ6005, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8065, IPQ8068, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, MSM8909W, MSM8917, MSM8953, PM215, PM3003A, PM4125, PM4250, PM439, PM456, PM6125, PM6150, PM6150A, PM6150L, PM6250, PM6350, PM640A, PM640L, PM640P, PM660, PM660A, PM660L, PM670, PM670A, PM670L, PM7150A, PM7150L, PM7250, PM7250B, PM7350C, PM8004, PM8005, PM8008, PM8009, PM8150, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM8350B, PM8350BH, PM8350BHS, PM8350C, PM855, PM855A, PM855B, PM855L, PM855P, PM8909, PM8916, PM8937, PM8953, PM8998, PMC1000H, PMD9655, PME605, PMI632, PMI8937, PMI8952, PMI8998, PMK7350, PMK8002, PMK8003, PMK8350, PMM6155AU, PMM8155AU, PMM8195AU, PMM855AU, PMP8074, PMR525, PMR735A, PMR73 ...[truncated*]—