CVE-2006-1629

OpenVPN 2.0 through 2.0.5 allows remote malicious servers to execute arbitrary code on the client by using setenv with the LD_PRELOAD environment variable.

Published: 2006-04-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-1629 is rated High Risk (65.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.02%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-1629

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.56% 3.02% -0.54%
2 2025-06-22 4.76% 3.56% -1.20%
3 2025-03-30 — 4.76% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-1629

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2006-1629

OS Trackers for CVE-2006-1629

vendor priority summary link
debian medium CVE-2006-1629 medium priority: Debian including 1 source packages (openvpn), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2006-1629
suse medium CVE-2006-1629 severity moderate: SUSE including 11 source package names (openvpn, openvpn-2.5.3-1.2, …), 38 product×package rows across 16 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (16 product lines)): Known Not Affected 30, Fixed 8. https://www.suse.com/security/cve/CVE-2006-1629/
ubuntu medium CVE-2006-1629 medium priority: Ubuntu including 1 source packages (openvpn), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2006-1629

NVD evaluator notes for CVE-2006-1629

Solution: OpenVPN version 2.0.6 fixes this vulnerability.

Affected software / configurations for CVE-2006-1629

Vendor Product Version Raw CPE
openvpn openvpn 2.0 cpe:2.3:a:openvpn:openvpn:2.0:*:*:*:*:*:*:*
openvpn openvpn 2.0.4 cpe:2.3:a:openvpn:openvpn:2.0.4:*:*:*:*:*:*:*
openvpn openvpn_access_server 2.0.1 cpe:2.3:a:openvpn:openvpn_access_server:2.0.1:*:*:*:*:*:*:*
openvpn openvpn_access_server 2.0.2 cpe:2.3:a:openvpn:openvpn_access_server:2.0.2:*:*:*:*:*:*:*
openvpn openvpn_access_server 2.0.3 cpe:2.3:a:openvpn:openvpn_access_server:2.0.3:*:*:*:*:*:*:*
openvpn openvpn_access_server 2.0.5 cpe:2.3:a:openvpn:openvpn_access_server:2.0.5:*:*:*:*:*:*:*

References for CVE-2006-1629

cvelogic Threat Intelligence