CVE-2021-3617

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-17 · updated 2026-06-17
Weakness: CWE-78

Description

A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow command injection by setting a specially crafted network configuration. This vulnerability is the same as CNVD-2020-68652.

Affected products

Lenovo Smart Camera C2E Firmware: before 01.03.29.16 — fixed in 01.03.29.16
Lenovo Smart Camera X3 Firmware: before 01.03.29.16 — fixed in 01.03.29.16
Lenovo Smart Camera X5 Firmware: before 01.03.29.16 — fixed in 01.03.29.16

How to fix

Upgrade to a fixed version: Lenovo Smart Camera C2E Firmware 01.03.29.16; Lenovo Smart Camera X3 Firmware 01.03.29.16; Lenovo Smart Camera X5 Firmware 01.03.29.16. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2021-3617 or the next vulnerability affects your stack