← CVECheck
HomeVulnerabilities

CVE-2003-0258 — HIGH severity vulnerability (Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardw)

Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.

CVE IDCVE-2003-0258
SeverityHIGH
CVSS score7.5
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
CWENVD-CWE-Other
StatusModified
Published2003-05-27
Last modified2026-04-16
DescriptionCisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.
SourceNIST National Vulnerability Database

🔍 Search all vulnerabilities →