OpenVPN up to 2.5.2 on Windows OpenSSL Configuration File openvpn.exe uncontrolled search path
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
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.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Uncontrolled search pathCWE: CWE-427 / CWE-426
ATT&CK: T1574
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: OpenVPN 2.5.3
Timeline
06/17/2021 🔍07/03/2021 🔍
07/03/2021 🔍
07/09/2021 🔍
Sources
Advisory: community.openvpn.netStatus: Confirmed
CVE: CVE-2021-3606 (🔍)
Entry
Created: 07/03/2021 08:30Updated: 07/09/2021 14:32
Changes: 07/03/2021 08:30 (39), 07/09/2021 14:32 (5)
Complete: 🔍
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