What is CVE-2020-9438?

CVE-2020-9438 is a medium-severity vulnerability in Tinxy Smart Wifi Door Lock, classified under Authentication Bypass by Capture-replay. CVSS score: 5.9/10. Published 2020-06-23.

How severe is CVE-2020-9438?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2020-9438 known to be exploited?

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

Vulnerability in Tinxy Smart Wifi Door Lock

CVE-2020-9438

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: 0.007 (48.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-9438?: CVE-2020-9438 is a medium-severity vulnerability in Tinxy Smart Wifi Door Lock, classified under Authentication Bypass by Capture-replay. CVSS score: 5.9/10. Published 2020-06-23.
How severe is CVE-2020-9438?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2020-9438 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.