How severe is CVE-2021-3720?

CVE-2021-3720 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-3720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3720?

CVE-2021-3720 primarily affects Lenovo Legion Phone Pro (l79031)firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3720?

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

When was CVE-2021-3720 published?

CVE-2021-3720 was published on 2021-11-12 and last updated on 2026-06-17.

CVE-2021-3720

CVE-2021-3720 is a medium-severity vulnerability in Lenovo Legion Phone Pro (l79031)firmware with a CVSS 3.x base score of 5.5. 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-276.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Lenovo Legion Phone Pro (l79031)firmware
Published: 2021-11-12
Last modified: 2026-06-17

Description

An information disclosure vulnerability was reported in the Time Weather system widget on Legion Phone Pro (L79031) and Legion Phone2 Pro (L70081) that could allow other applications to access device GPS data.

Frequently asked questions

What is CVE-2021-3720?: An information disclosure vulnerability was reported in the Time Weather system widget on Legion Phone Pro (L79031) and Legion Phone2 Pro (L70081) that could allow other applications to access device GPS data.
How severe is CVE-2021-3720?: CVE-2021-3720 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-3720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3720?: CVE-2021-3720 primarily affects Lenovo Legion Phone Pro (l79031)firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-3720?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3720 published?: CVE-2021-3720 was published on 2021-11-12 and last updated on 2026-06-17.

References

https://iknow.lenovo.com.cn/detail/dc_199217.html

Affected products (2)

cpe:2.3:o:lenovo:legion_phone_pro_\(l79031\)firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_phone2_pro_\(l70081\)_firmware:*:*:*:*:*:*:*:*

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