VDB-270462 · CVE-2024-27903 · GCVE-0-2024-27903

OpenVPN up to 2.6.9 on Windows Plug-in unverified ownership

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in OpenVPN up to 2.6.9 on Windows. Impacted is an unknown function of the component Plug-in Handler. The manipulation results in unverified ownership. This vulnerability is reported as CVE-2024-27903. The attack requires a local approach. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in OpenVPN up to 2.6.9 on Windows. Affected is an unknown part of the component Plug-in Handler. The manipulation with an unknown input leads to a unverified ownership vulnerability. CWE is classifying the issue as CWE-283. The product does not properly verify that a critical resource is owned by the proper entity. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service.

The advisory is available at community.openvpn.net. This vulnerability is traded as CVE-2024-27903 since 03/12/2024. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 2.6.10 eliminates this vulnerability. The upgrade is hosted for download at mail-archive.com.

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Productinfo

Type

Network Encryption Software

Name

OpenVPN

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (OpenVPN): 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Unverified ownership
CWE: CWE-283 / CWE-282 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenVPN 2.6.10

Timelineinfo

03/12/2024 🔍
07/08/2024 +117 days 🔍
07/08/2024 +0 days 🔍
03/06/2025 +241 days 🔍

Sourcesinfo

Advisory: community.openvpn.net
Status: Confirmed

CVE: CVE-2024-27903 (🔍)
GCVE (CVE): GCVE-0-2024-27903
GCVE (VulDB): GCVE-100-270462

Entryinfo

Created: 07/08/2024 14:19
Updated: 03/06/2025 10:30
Changes: 07/08/2024 14:19 (53), 07/09/2024 06:37 (1), 07/10/2024 06:26 (11), 07/12/2024 00:52 (11), 03/06/2025 10:27 (3), 03/06/2025 10:30 (3)
Complete: 🔍
Committer: lywand
Cache ID: 216::103