CVE-2021-3555

Name: CVE-2021-3555
Creator: NVD / NIST
Published: 2022-05-31T10:15:07.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2021-3555 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This issue affects: Eufy Indoor 2K Indoor Camera 2.0.9.3 version and prior versions.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This issue affects: Eufy Indoor 2K Indoor Camera 2.0.9.3 version and prior versions.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.69%

48.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Eufylife	Solo Indoorcam C24 Firmware	<= 2.0.9.3
Eufylife	Solo Indoorcam P24 Firmware	<= 2.0.9.3

References

https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-eufy2k-indoor-camera/Exploit, Technical Description, Third Party Advisory
https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-eufy2k-indoor-camera/Exploit, Technical Description, Third Party Advisory

Timeline

Published: May 31, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3555?

How severe is CVE-2021-3555?

CVE-2021-3555 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3555?

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-2021-3555?

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

Scan your code now

Source: NVD / NIST