CVE-2021-22314
📋 TL;DR
CVE-2021-22314 is a local privilege escalation vulnerability in Huawei ManageOne products. An authenticated local attacker can exploit this vulnerability to gain elevated privileges and potentially compromise the service. This affects organizations using vulnerable versions of Huawei ManageOne.
💻 Affected Systems
- Huawei ManageOne
📦 What is this software?
Manageone by Huawei
Manageone by Huawei
Manageone by Huawei
Manageone by Huawei
Manageone by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains full administrative control over ManageOne system, potentially compromising all managed infrastructure and services.
Likely Case
Attacker escalates from limited user to administrative privileges, enabling configuration changes, data access, and further system compromise.
If Mitigated
With proper access controls and monitoring, exploitation would be detected and contained before significant damage occurs.
🎯 Exploit Status
Exploitation requires local authenticated access and specific operations as described in the advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ManageOne 8.0.1.1 or later
Vendor Advisory: https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210218-01-privilege-en
Restart Required: Yes
Instructions:
1. Download ManageOne 8.0.1.1 or later from Huawei support portal. 2. Backup current configuration and data. 3. Apply the update following Huawei's upgrade documentation. 4. Restart the ManageOne services as required.
🔧 Temporary Workarounds
Restrict Local Access
allLimit local user accounts and implement strict access controls to reduce attack surface.
Enhanced Monitoring
allImplement enhanced logging and monitoring for privilege escalation attempts.
🧯 If You Can't Patch
- Implement strict principle of least privilege for all local user accounts
- Deploy host-based intrusion detection systems to monitor for privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check ManageOne version via web interface or CLI; versions earlier than 8.0.1.1 are vulnerable.Check Version:
Check via ManageOne web interface or consult Huawei documentation for version verification commands.Verify Fix Applied:
Verify ManageOne version is 8.0.1.1 or later and check that no unauthorized privilege escalation has occurred.📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation events
- Unauthorized access to administrative functions
- Changes to user privilege levels
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Search for events where local user privileges are escalated unexpectedly or administrative functions are accessed by non-admin users.