01 Record
CVE-2021-25408
A possible buffer overflow vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write and code execution.
UnratedPUBLISHEDCNA: Samsung Mobile
CNA base scoreUnratedNo CNA CVSS vector
02 Description
A possible buffer overflow vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write and code execution.
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 2.8% 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
- 2021-06-11 14:33Z5 YR AGO
- Last updated
- 2024-08-03 20:03Z2 YR AGO
- Reserved
- 2021-01-19
- Assigning CNA
- Samsung Mobile
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 4ef7f3674f234ff565bf71edda1e7a32e1fd0d7de8e8cfeae5f057ca6004ddc9
05 Affected products
VendorProductVersionsPlatforms
Samsung MobileSamsung Mobile DevicesP(9.0), Q(10.0), R(11.0) devices with Exynos9820, 9830, 980, 2100 chipsets to < SMR JUN-2021 Release 1—
06 References
- security.samsungmobile.comhttps://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6