01 Record
CVE-2021-3675
synaTEE.signed.dll Out-Of-Bounds Heap Write
MediumPUBLISHEDCNA: Synaptics
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
synaTEE.signed.dll Out-Of-Bounds Heap Write
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
- 0.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 18.8% of scored records. A rank, not a probability.
- NVD base score
- 7.1 (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: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
- 2022-06-16 16:15Z4 YR AGO
- Last updated
- 2024-09-16 17:38Z2 YR AGO
- Reserved
- 2021-08-02
- Assigning CNA
- Synaptics
- 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
- Data version
- 5.1
- Document digest
- e0a2dbf071399a4dc1b3c2950b1c44e6bb827ad8f2ea0f394305ef3ca5381445
05 Affected products
VendorProductVersionsPlatforms
SynapticsSynaptics Fingerprint Driver5.1.xxx.26 to < xxx=340, 5.2.xxxx.26 to < xxxx=3541, 5.2.2xx.26 to < xx=29, 5.2.3xx.26 to < xx=25, 5.3.xxxx.26 to < xxxx=3543, 5.5.xx.1058 to < xx=44, 5.5.xx.1102 to < xx=34, 5.5.xx.1116 to < xx=14, 6.0.xx.1104 to < xx=50, 6.0.xx.1108 to < xx=31, 6.0.xx.1111 to < xx=58x86/64
06 References
07 Remediation
Listed drivers and above have additional input validation.