CVE-2003-0258 Auth bypass in n/a

High 7.5 Published 8 May 2003 Updated 8 Aug 2024

Remote attackers can bypass authentication and access private networks on Cisco VPN concentrators when IPSec over TCP is enabled.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2003-0258?

CVE-2003-0258 is a high-severity authentication bypass vulnerability in n/a, published on 8 May 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2003-0258?

It affects 7 products.

Products include Cisco Vpn 3000 Concentrator Series Software, Cisco Vpn 3002 Hardware Client, Cisco Vpn 3005 Concentrator Software, Cisco Vpn 3015 Concentrator, Cisco Vpn 3030 Concentator, Cisco Vpn 3060 Concentrator and 1 more.

How do I fix CVE-2003-0258?

No fix has been published for CVE-2003-0258 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2003-0258 being exploited?

There is no known exploitation of CVE-2003-0258 in the wild and no public exploit code.

Sources

Also known as GHSA-jv37-pvx6-rjx4.