7.1

CVE-2021-3675: synaptics fingerprint_driver Improper Input Validation

CVSS: 7.1v3.1HighModified
Published 16-06-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-3675 is a high (CVSS 7.1) Improper Input Validation vulnerability in synaptics fingerprint_driver. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-06-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

+0.01 pp

From 0.26% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Synaptics2 products
  • fingerprint_driver≥ 5.1.000.26, < 5.1.340.26 | ≥ 5.2.0000.26, < 5.2.3541.26 | ≥ 5.2.200.26, < 5.2.229.26 | ≥ 5.2.300.26, < 5.2.325.26 | ≥ 5.3.0000.26, < 5.3.3543.26 | ≥ 5.5.00.1058, < 5.5.44.1058 | ≥ 5.5.00.1102, < 5.5.34.1102 | ≥ 5.5.00.1116, < 5.5.14.1116 | ≥ 6.0.00.1111, < 6.0.58.1111
  • synaptics fingerprint driver≥ 5.1.xxx.26, < xxx=340 | ≥ 5.2.xxxx.26, < xxxx=3541 | ≥ 5.2.2xx.26, < xx=29 | ≥ 5.2.3xx.26, < xx=25 | ≥ 5.3.xxxx.26, < xxxx=3543 | ≥ 5.5.xx.1058, < xx=44 | ≥ 5.5.xx.1102, < xx=34 | ≥ 5.5.xx.1116, < xx=14 | ≥ 6.0.xx.1104, < xx=50 | ≥ 6.0.xx.1108, < xx=31 | ≥ 6.0.xx.1111, < xx=58

1 vendor · 2 products

References

3 links