What is the CVSS score of CVE-2021-3720?

CVE-2021-3720 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Legion Phone Pro L79031 Firmware CVE-2021-3720

MEDIUM

Incorrect Default Permissions (CWE-276)

2021-11-12 psirt@lenovo.com

Privilege Escalation Information Disclosure Legion Phone Pro L79031 Firmware Legion Phone2 Pro L70081 Firmware

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 12, 2021 - 22:15 nvd

MEDIUM 5.5

DescriptionNVD

AnalysisAI

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. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. 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. Affected products include: Lenovo Legion Phone Pro \(L79031\)Firmware, Lenovo Legion Phone2 Pro \(L70081\) Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.