What’s Vulnerable › Vulnerabilities

CVE-2023-33383

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-02 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• Shelly Pro 4Pm Firmware: 0.11.0

References

• http://packetstormsecurity.com/files/173954/Shelly-PRO-4PM-0.11.0-Authentication-Bypass.html
• https://www.exploitsecurity.io/post/cve-2023-33383-authentication-bypass-via-an-out-of-bounds-read-vulnerability
• http://packetstormsecurity.com/files/173954/Shelly-PRO-4PM-0.11.0-Authentication-Bypass.html
• https://www.exploitsecurity.io/post/cve-2023-33383-authentication-bypass-via-an-out-of-bounds-read-vulnerability

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