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01 Record

CVE-2021-3606

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with

UnratedPUBLISHEDCNA: OpenVPN
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.34% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 27.6% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-07-02 12:30Z5 YR AGO
Last updated
2024-08-03 17:01Z2 YR AGO
Reserved
2021-06-17
Assigning CNA
OpenVPN
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-427Uncontrolled Search Path ElementBase
Data version
5.1
Document digest
21b16d9b81cd9c8f75573bbdc969991ca52138067c0f529de0af372683d0d09a

05 Affected products

VendorProductVersionsPlatforms
n/aOpenVPN-GUI2.5.2 and prior releases—

06 References