CVE-2006-1629

CVE-2006-1629 is a critical-severity vulnerability in Openvpn with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2006-1629?
CVE-2006-1629 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2006-1629 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1629?
CVE-2006-1629 primarily affects Openvpn. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-1629?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-1629 published?
CVE-2006-1629 was published on 2006-04-06 and last updated on 2026-06-16.

References

Affected products (6)

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