Lenovo PCManager prior 4.0.20.10282 out-of-bounds write

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo PCManager. It has been declared as critical. Affected is an unknown function. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2021-3721. The attack must be carried out locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lenovo PCManager and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is availability.

The weakness was presented 04/23/2022. The advisory is shared for download at iknow.lenovo.com.cn. This vulnerability is handled as CVE-2021-3721 since 08/18/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.0.20.10282 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (Lenovo Group Ltd.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PCManager 4.0.20.10282

Timelineinfo

08/18/2021 🔍
04/23/2022 +248 days 🔍
04/23/2022 +0 days 🔍
04/29/2022 +6 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: iknow.lenovo.com.cn
Status: Confirmed

CVE: CVE-2021-3721 (🔍)
GCVE (CVE): GCVE-0-2021-3721
GCVE (VulDB): GCVE-100-198428

Entryinfo

Created: 04/23/2022 08:52
Updated: 04/29/2022 08:41
Changes: 04/23/2022 08:52 (47), 04/29/2022 08:41 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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