SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2005-3409

OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.

MEDIUM 5.0EPSS 2.50%

Does this matter?

Lower severity and a low EPSS score (2.50%). Track it; it rarely justifies an emergency change on its own.

Description

OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
2.50% probability · 84th percentile
CISA KEV
Not listed
Affected
openvpn/openvpn · openvpn/openvpn access server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.