Parallels Desktop 16.1.3 WinAppHelper access control

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
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8.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Parallels Desktop 16.1.3. It has been rated as critical. The impacted element is an unknown function of the component WinAppHelper. The manipulation leads to access control. This vulnerability is listed as CVE-2021-34864. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Parallels Desktop 16.1.3 and classified as critical. This issue affects an unknown function of the component WinAppHelper. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The weakness was presented 10/26/2021. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2021-34864 since 06/17/2021. 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 10/30/2021). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/17/2021 🔍
10/26/2021 +131 days 🔍
10/26/2021 +0 days 🔍
10/30/2021 +4 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Not defined

CVE: CVE-2021-34864 (🔍)
GCVE (CVE): GCVE-0-2021-34864
GCVE (VulDB): GCVE-100-185423

Entryinfo

Created: 10/26/2021 15:41
Updated: 10/30/2021 17:47
Changes: 10/26/2021 15:41 (46), 10/30/2021 17:40 (1), 10/30/2021 17:47 (17)
Complete: 🔍
Cache ID: 216::103

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