How severe is CVE-2021-3615?

CVE-2021-3615 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-3615 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3615?

CVE-2021-3615 primarily affects Lenovo Smart Camera C2e Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3615?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3615 published?

CVE-2021-3615 was published on 2021-08-17 and last updated on 2026-06-17.

CVE-2021-3615

CVE-2021-3615 is a medium-severity vulnerability in Lenovo Smart Camera C2e Firmware with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Lenovo Smart Camera C2e Firmware
Published: 2021-08-17
Last modified: 2026-06-17

Description

A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow code execution if a specific file exists on the attached SD card. This vulnerability is the same as CNVD-2021-45262.

Frequently asked questions

What is CVE-2021-3615?: A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow code execution if a specific file exists on the attached SD card. This vulnerability is the same as CNVD-2021-45262.
How severe is CVE-2021-3615?: CVE-2021-3615 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-3615 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3615?: CVE-2021-3615 primarily affects Lenovo Smart Camera C2e Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-3615?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3615 published?: CVE-2021-3615 was published on 2021-08-17 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:lenovo:smart_camera_c2e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:smart_camera_x3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:smart_camera_x5_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Lenovo Smart Camera C2e Firmware

CVE-2021-3616 — Critical (CVSS 9.4): A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow an unauthorized user to view…
CVE-2021-3617 — High (CVSS 7.2): A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow command injection by setting a…

All CVEs affecting Lenovo Smart Camera C2e Firmware →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →