Openswan is a focused IPsec implementation that, despite a narrow product footprint, occupies a critical role in VPN infrastructure and tunnel-establishment workflows across Linux and embedded systems. The vendor's vulnerability disclosures recur around improper link resolution and file-access issues characteristic of path-handling complexity in network daemon codebases, and its flaws have an elevated tendency to acquire public exploit code. Current severity and exploitation details are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Openswan over time
Signals from CVEs in this vendor scope (6 CVEs).
6 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2004-0590HIGH FreeS/WAN 1.x and 2.x, and other related products including superfreeswan 1.x, openswan 1.x before 1.0.6, openswan 2.x before 2.1.4, and strongSwan before 2.1.3, allows remote atta | Dec 6, 2004 | 10.0 | 25 | NO | NO |
CVE-2005-0162HIGH Stack-based buffer overflow in the get_internal_addresses function in the pluto application for Openswan 1.x before 1.0.9, and Openswan 2.x before 2.3.0, when compiled with XAUTH a | Jan 26, 2005 | 7.2 | 24 | NO | NO |
CVE-2005-3671HIGH The Internet Key Exchange version 1 (IKEv1) implementation in Openswan 2 (openswan-2) before 2.4.4, and freeswan in SUSE LINUX 9.1 before 2.04_1.5.4-1.23, allow remote attackers to | Nov 18, 2005 | 7.8 | 22 | NO | NO |
CVE-2008-4190MEDIUM The IPSEC livetest tool in Openswan 2.4.12 and earlier, and 2.6.x through 2.6.16, allows local users to overwrite arbitrary files and execute arbitrary code via a symlink attack on | Sep 24, 2008 | 4.4 | 21 | NO | YES |
CVE-2008-4966MEDIUM linux-patch-openswan 2.4.12 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/snap##### and (b) /tmp/nightly##### temporary files, related to the (1) | Nov 6, 2008 | 6.9 | 18 | NO | NO |
Openswan 2.2.x does not properly restrict permissions for (1) /var/run/starter.pid, related to starter.c in the IPsec starter, and (2) /var/lock/subsys/ipsec, which allows local us | May 20, 2011 | 3.6 | 16 | NO | NO |
Signals from CVEs in this vendor scope (6 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Openswan.
Media articles that mention a CVE ID that affects a product developed by Openswan — matched by CVE ID, not by vendor name.