Out-of-bounds Read in Shelly Pro 4pm

CVE-2023-33383

Shelly 4PM Pro four-channel smart switch 0.11.0 allows an attacker to trigger a BLE out of bounds read fault condition that results in a device reload.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.047 (91.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-33383: held from 0.047 to 0.047.

EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-33383?
CVE-2023-33383 is a medium-severity vulnerability in Shelly Pro 4pm, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2023-08-02.
How severe is CVE-2023-33383?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-33383 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.