OpenVPN Easy-RSA up to 3.1.7 Private CA Key inadequate encryption

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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3.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenVPN Easy-RSA up to 3.1.7. The affected element is an unknown function of the component Private CA Key Handler. This manipulation causes inadequate encryption. The identification of this vulnerability is CVE-2024-13454. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in OpenVPN Easy-RSA up to 3.1.7 and classified as problematic. Affected by this vulnerability is an unknown code of the component Private CA Key Handler. The manipulation with an unknown input leads to a inadequate encryption vulnerability. The CWE definition for the vulnerability is CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. As an impact it is known to affect confidentiality. The summary by CVE is:

Weak encryption algorithm in Easy-RSA version 3.0.5 through 3.1.7 allows a local attacker to more easily bruteforce the private CA key when created using OpenSSL 3

It is possible to read the advisory at community.openvpn.net. This vulnerability is known as CVE-2024-13454 since 01/16/2025. The exploitation appears to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 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

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (OpenVPN): 🔍

CVSSv2info

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

Exploitinginfo

Class: Inadequate encryption
CWE: CWE-326 / CWE-310
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2025 🔍
01/20/2025 +4 days 🔍
01/20/2025 +0 days 🔍
01/22/2025 +2 days 🔍

Sourcesinfo

Advisory: community.openvpn.net
Status: Confirmed

CVE: CVE-2024-13454 (🔍)
GCVE (CVE): GCVE-0-2024-13454
GCVE (VulDB): GCVE-100-292639

Entryinfo

Created: 01/20/2025 22:57
Updated: 01/22/2025 09:02
Changes: 01/20/2025 22:57 (54), 01/22/2025 09:02 (12)
Complete: 🔍
Cache ID: 216::103

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

Discussion

 Anonymous User (+0)
2 years ago
Based on the Easy Windows Guide (https://community.openvpn.net/openvpn/wiki/Easy_Windows_Guide), OpenVPN Easy-RSA is a package included in OpenVPN. Therefore, I suggest verifying that the official CPE should be openvpn:openvpn
 VulDB Community Team2 years ago
Thank you. Unfortunately, we cannot confirm that. easy-rsa is an independent project with individual versioning. See https://github.com/OpenVPN/easy-rsa

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