Amazon AWS Client VPN up to 5.2.1 on Windows OpenSSL Configuration File default permission

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Amazon AWS Client VPN up to 5.2.1 on Windows. It has been declared as critical. Affected by this issue is some unknown functionality of the component OpenSSL Configuration File Handler. Executing a manipulation can lead to default permission. This vulnerability appears as CVE-2025-8069. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Amazon AWS Client VPN up to 5.2.1 on Windows. It has been declared as critical. This vulnerability affects some unknown processing of the component OpenSSL Configuration File Handler. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

During the AWS Client VPN client installation on Windows devices, the install process references the C:\usr\local\windows-x86_64-openssl-localbuild\ssl directory location to fetch the OpenSSL configuration file. As a result, a non-admin user could place arbitrary code in the configuration file. If an admin user starts the AWS Client VPN client installation process, that code could be executed with root-level privileges. This issue does not affect Linux or Mac devices. We recommend users discontinue any new installations of AWS Client VPN on Windows prior to version 5.2.2.

The advisory is shared for download at aws.amazon.com. This vulnerability was named CVE-2025-8069 since 07/23/2025. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version 5.2.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-22458). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (AMZN): 🔒

CVSSv2info

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

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
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: AWS Client VPN 5.2.2

Timelineinfo

07/23/2025 Advisory disclosed
07/23/2025 +0 days CVE reserved
07/23/2025 +0 days VulDB entry created
07/23/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: AWS-2025-014
Status: Confirmed

CVE: CVE-2025-8069 (🔒)
GCVE (CVE): GCVE-0-2025-8069
GCVE (VulDB): GCVE-100-317428
EUVD: 🔒

Entryinfo

Created: 07/23/2025 18:13
Updated: 07/23/2025 19:08
Changes: 07/23/2025 18:13 (79), 07/23/2025 19:08 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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