OpenVPN up to 2.5.2 on Windows OpenSSL Configuration File openvpn.exe uncontrolled search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in OpenVPN up to 2.5.2 on Windows. Affected by this issue is some unknown functionality of the file openvpn.exe of the component OpenSSL Configuration File Handler. Such manipulation leads to uncontrolled search path. This vulnerability is documented as CVE-2021-3606. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in OpenVPN up to 2.5.2 on Windows (Network Encryption Software) and classified as critical. Affected by this issue is an unknown function of the file openvpn.exe of the component OpenSSL Configuration File Handler. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/03/2021. The advisory is available at community.openvpn.net. This vulnerability is handled as CVE-2021-3606. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

Upgrading to version 2.5.3 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
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: 🔍

Upgrade: OpenVPN 2.5.3

Timelineinfo

06/17/2021 🔍
07/03/2021 +16 days 🔍
07/03/2021 +0 days 🔍
07/09/2021 +6 days 🔍

Sourcesinfo

Advisory: community.openvpn.net
Status: Confirmed

CVE: CVE-2021-3606 (🔍)
GCVE (CVE): GCVE-0-2021-3606
GCVE (VulDB): GCVE-100-177926

Entryinfo

Created: 07/03/2021 08:30
Updated: 07/09/2021 14:32
Changes: 07/03/2021 08:30 (39), 07/09/2021 14:32 (5)
Complete: 🔍
Cache ID: 216::103

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