CVE-2021-3675

lowpriority · track · 28EPSS 0.003 · 19 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (19th) EPSS

CVSS 3.6 · low

Is it mine?

77 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.6–7.1

v2.03.6lowAV:L/AC:L/Au:N/C:P/I:N/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 4.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.2

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · PSIRT@synaptics.comexploitability 1.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-20USCWE-20US

affected products (77)

Products and version ranges known to be affected.

Synaptics Synaptics Fingerprint Driver5.1.xxx.26 → xxx=340enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.2.2xx.26 → xx=29enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.2.3xx.26 → xx=25enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.2.xxxx.26 → xxxx=3541enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.3.xxxx.26 → xxxx=3543enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.5.xx.1058 → xx=44enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.5.xx.1102 → xx=34enisa_euvdEU
Synaptics Synaptics Fingerprint Driver5.5.xx.1116 → xx=14enisa_euvdEU
Synaptics Synaptics Fingerprint Driver6.0.xx.1104 → xx=50enisa_euvdEU
Synaptics Synaptics Fingerprint Driver6.0.xx.1108 → xx=31enisa_euvdEU
Synaptics Synaptics Fingerprint Driver6.0.xx.1111 → xx=58enisa_euvdEU
Lenovo Group Limited 25 (Type 20K7) Laptop (ThinkPad)≤ 5.2.3541.26fstec_bduRU
Lenovo Group Limited A275 (Type 20KC, 20KD) Laptop (ThinkPad)≤ 5.2.3541.26fstec_bduRU
Lenovo Group Limited A285 (Type 20MW, 20MX) Laptop (ThinkPad)≤ 5.3.3543.26fstec_bduRU
Lenovo Group Limited A475 (Type 20KL, 20KM) Laptop (ThinkPad)≤ 5.2.3541.26fstec_bduRU
Lenovo Group Limited A485 (Type 20MU, 20MV) Laptop (ThinkPad)≤ 5.3.3543.26fstec_bduRU
Lenovo Group Limited E14 (Type 20RA, 20RB) Laptop (ThinkPad)≤ 6.0.31.1108fstec_bduRU
Lenovo Group Limited E14 Gen 2 (Type 20TA, 20TB) Laptop (ThinkPad)≤ 6.0.31.1108fstec_bduRU
Lenovo Group Limited E15 (Type 20RD, 20RE) Laptop (ThinkPad)≤ 6.0.31.1108fstec_bduRU
Lenovo Group Limited E15 Gen 2 (Type 20TD, 20TE) Laptop (ThinkPad)≤ 6.0.31.1108fstec_bduRU

showing 20 of 77

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2022-06-16modified 2026-06-17

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+16123 more

references (10)

External citations — patches, advisories, analysis.

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