What is CVE-2021-3675?

CVE-2021-3675 is a medium-severity vulnerability in Synaptics Fingerprint Driver, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2022-06-16.

How severe is CVE-2021-3675?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-3675 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Synaptics Fingerprint Driver

CVE-2021-3675

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 Finge…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (34.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Synaptics Fingerprint Driver — versions 5.1.xxx.26, 5.2.xxxx.26, 5.2.2xx.26

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

CyberSecAI/cve_

References

synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief… (x_refsource_CONFIRM)
support.lenovo.com/us/en/product_security/LEN-68054 (x_refsource_MISC)
support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3675?: CVE-2021-3675 is a medium-severity vulnerability in Synaptics Fingerprint Driver, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2022-06-16.
How severe is CVE-2021-3675?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-3675 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.