CVE-2020-9438

Name: CVE-2020-9438
Creator: NVD / NIST
Published: 2020-06-23T15:15:13.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2020-9438 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Tinxy Door Lock with firmware before 3.2 allow attackers to unlock a door by replaying an Unlock request that occurred when the attacker was previously authorized. In other words, door-access revocation is mishandled.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Tinxy Door Lock with firmware before 3.2 allow attackers to unlock a door by replaying an Unlock request that occurred when the attacker was previously authorized. In other words, door-access revocation is mishandled.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.67%

47.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-294

Affected Software

Vendor	Product	Versions
Tinxy	Smart Wifi Door Lock Firmware	< 3.2

References

Timeline

Published: Jun 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9438?

How severe is CVE-2020-9438?

CVE-2020-9438 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9438?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9438?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST