Trend Micro Security 2021 PC Health Checkup denial of service

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Trend Micro Security 2021. This affects an unknown function of the component PC Health Checkup. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2021-44023. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Trend Micro Security 2021. This affects an unknown functionality of the component PC Health Checkup. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 12/16/2021. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2021-44023 since 11/18/2021. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/22/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/18/2021 🔍
12/16/2021 +28 days 🔍
12/16/2021 +0 days 🔍
12/22/2021 +6 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-44023 (🔍)
GCVE (CVE): GCVE-0-2021-44023
GCVE (VulDB): GCVE-100-188427

Entryinfo

Created: 12/16/2021 09:26
Updated: 12/22/2021 09:03
Changes: 12/16/2021 09:26 (38), 12/22/2021 09:01 (1), 12/22/2021 09:03 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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