CVE-2022-48519 – CVE-2022-48519 is an unauthorized access vulner... (How to Fix)

Q: What is the severity of CVE-2022-48519?

CVE-2022-48519 has a CVSS score of 7.5 (HIGH). CVE-2022-48519 is an unauthorized access vulnerability in Huawei's SystemUI module that allows attackers to bypass intended access restrictions. This affects confidentiality by potentially exposing sensitive information to unauthorized parties. Users of affected Huawei devices running HarmonyOS are impacted.

📋 TL;DR

CVE-2022-48519 is an unauthorized access vulnerability in Huawei's SystemUI module that allows attackers to bypass intended access restrictions. This affects confidentiality by potentially exposing sensitive information to unauthorized parties. Users of affected Huawei devices running HarmonyOS are impacted.

💻 Affected Systems

Products:

Huawei devices with HarmonyOS

Versions: Specific HarmonyOS versions as detailed in Huawei security bulletins (exact range not specified in provided references)

Operating Systems: HarmonyOS

Default Config Vulnerable: ⚠️ Yes

Notes: Affects SystemUI module specifically; exact device models and versions should be verified against Huawei's security bulletins.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of device confidentiality with unauthorized access to sensitive user data, system information, or protected resources.

🟠

Likely Case

Limited information disclosure through unauthorized access to specific SystemUI components or data.

🟢

If Mitigated

No impact if proper access controls and patching are implemented.

🌐 Internet-Facing: LOW - This appears to be a local vulnerability requiring physical or local access to the device.

🏢 Internal Only: MEDIUM - Could be exploited by malicious apps or users with local access to affected devices.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation likely requires local access or malicious app installation; no public exploit details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Specific versions mentioned in Huawei's July 2023 security bulletins

Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2023/7/

Restart Required: Yes

Instructions:

1. Check for system updates in device settings. 2. Install the latest security update from Huawei. 3. Restart device after installation.

🔧 Temporary Workarounds

Restrict app permissions

all

Limit permissions for untrusted applications to reduce attack surface

Disable unnecessary SystemUI features

all

Turn off non-essential SystemUI components if possible

🧯 If You Can't Patch

Isolate affected devices from sensitive networks and data
Implement strict application whitelisting and monitoring

🔍 How to Verify

Check if Vulnerable:

Check device HarmonyOS version against Huawei's security bulletins for July 2023

Check Version:

Settings > About phone > HarmonyOS version

Verify Fix Applied:

Verify installed security patch level includes July 2023 updates

📡 Detection & Monitoring

Log Indicators:

Unauthorized access attempts to SystemUI components
Permission violation logs

Network Indicators:

Unusual local inter-process communication patterns

SIEM Query:

Not applicable - primarily local device vulnerability

📊 Metadata

CVE ID: CVE-2022-48519

CVSS v3 Score: 7.5 (HIGH)

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

CWE: CWE-200

Published: July 6, 2023

Last Updated: November 21, 2024

🔗 References

https://consumer.huawei.com/en/support/bulletin/2023/7/ Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858 Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2023/7/ Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858 Vendor Advisory

📤 Share & Export

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