How severe is CVE-2008-3459?

CVE-2008-3459 has a CVSS 2.0 base score of 7.6, rated high severity.

Is CVE-2008-3459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3459?

CVE-2008-3459 primarily affects Openvpn. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-3459 published?

CVE-2008-3459 was published on 2008-08-04 and last updated on 2026-06-16.

CVE-2008-3459

CVE-2008-3459 is a high-severity vulnerability in Openvpn with a CVSS 2.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-16.

Key facts

Severity: High (CVSS 2.0 base score 7.6)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Openvpn
Published: 2008-08-04
Last modified: 2026-06-16

Description

Unspecified vulnerability in OpenVPN 2.1-beta14 through 2.1-rc8, when running on non-Windows systems, allows remote servers to execute arbitrary commands via crafted (1) lladdr and (2) iproute configuration directives, probably related to shell metacharacters.

Frequently asked questions

What is CVE-2008-3459?: Unspecified vulnerability in OpenVPN 2.1-beta14 through 2.1-rc8, when running on non-Windows systems, allows remote servers to execute arbitrary commands via crafted (1) lladdr and (2) iproute configuration directives, probably related to shell metacharacters.
How severe is CVE-2008-3459?: CVE-2008-3459 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2008-3459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3459?: CVE-2008-3459 primarily affects Openvpn. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-3459 published?: CVE-2008-3459 was published on 2008-08-04 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:openvpn:openvpn:2.1:beta-14:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:beta-15:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:beta-16:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_1:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_2:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_3:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_4:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_5:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_6:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_7:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:2.1:rc_8:*:*:*:*:*:*

More vulnerabilities in Openvpn

CVE-2024-27903 — Critical (CVSS 9.8): OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker…
CVE-2023-46850 — Critical (CVSS 9.8): Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote…
CVE-2022-0547 — Critical (CVSS 9.8): OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more…
CVE-2017-12166 — Critical (CVSS 9.8): OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method…
CVE-2025-12106 — Critical (CVSS 9.1): Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer…
CVE-2024-5594 — Critical (CVSS 9.1): OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to…

All CVEs affecting Openvpn →

Other CWE-16 vulnerabilities

CVE-2013-4316 — Critical (CVSS 10.0): Apache Struts 2.0.0 through 2.3.15.1 enables Dynamic Method Invocation by default, which has unknown impact and attack…
CVE-2013-1221 — Critical (CVSS 10.0): The Tomcat Web Management feature in Cisco Unified Customer Voice Portal (CVP) Software before 9.0.1 ES 11 does not…
CVE-2011-4501 — Critical (CVSS 10.0): The UPnP IGD implementation in Edimax EdiLinux on the Edimax BR-6104K with firmware before 3.25, Edimax 6114Wg,…
CVE-2010-4586 — Critical (CVSS 10.0): The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecified impact and…
CVE-2010-2977 — Critical (CVSS 10.0): Cisco Unified Wireless Network (UWN) Solution 7.x before 7.0.98.0 does not properly implement TLS and SSL, which has…
CVE-2010-2276 — Critical (CVSS 10.0): The default configuration of the build process in Dojo 0.4.x before 0.4.4, 1.0.x before 1.0.3, 1.1.x before 1.1.2,…

Browse all CWE-16 vulnerabilities →