Lenovo Device Help/Ready For Communication Channel certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Lenovo Device Help and Ready For. Impacted is an unknown function of the component Communication Channel Handler. Performing a manipulation results in certificate validation. This vulnerability was named CVE-2021-3898. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Lenovo Device Help and Ready For (affected version unknown). This affects an unknown functionality of the component Communication Channel Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality.

The weakness was presented 04/23/2022. It is possible to read the advisory at support.lenovo.com. This vulnerability is uniquely identified as CVE-2021-3898 since 10/22/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Be aware that VulDB is the high quality 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: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
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: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Timelineinfo

04/08/2021 🔍
10/22/2021 +197 days 🔍
04/23/2022 +183 days 🔍
04/23/2022 +0 days 🔍
04/29/2022 +6 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Confirmed

CVE: CVE-2021-3898 (🔍)
GCVE (CVE): GCVE-0-2021-3898
GCVE (VulDB): GCVE-100-198423

Entryinfo

Created: 04/23/2022 08:38
Updated: 04/29/2022 08:27
Changes: 04/23/2022 08:38 (48), 04/29/2022 08:27 (1)
Complete: 🔍
Cache ID: 216::103

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