Lenovo PCManager prior 4.0.40.2175 Configuration File default permission
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Lenovo PCManager. This issue affects some unknown processing of the component Configuration File Handler. Such manipulation leads to default permission. This vulnerability is uniquely identified as CVE-2021-3722. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.
Details
A vulnerability was found in Lenovo PCManager. It has been rated as critical. Affected by this issue is an unknown function of the component Configuration File Handler. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is availability.
The weakness was disclosed 04/23/2022. The advisory is available at iknow.lenovo.com.cn. This vulnerability is handled as CVE-2021-3722 since 08/18/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1222 by the MITRE ATT&CK project.
Upgrading to version 4.0.40.2175 eliminates this vulnerability.
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Product
Vendor
Name
License
Website
- Vendor: https://www.lenovo.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 4.9
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 5.0
CNA Vector (Lenovo Group Ltd.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Default permissionCWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PCManager 4.0.40.2175
Timeline
08/18/2021 🔍04/23/2022 🔍
04/23/2022 🔍
04/29/2022 🔍
Sources
Vendor: lenovo.comAdvisory: iknow.lenovo.com.cn
Status: Confirmed
CVE: CVE-2021-3722 (🔍)
GCVE (CVE): GCVE-0-2021-3722
GCVE (VulDB): GCVE-100-198422
Entry
Created: 04/23/2022 08:33Updated: 04/29/2022 08:25
Changes: 04/23/2022 08:33 (48), 04/29/2022 08:25 (1)
Complete: 🔍
Cache ID: 216::103
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