First published: Fri Oct 04 2002(Updated: )
Cisco VPN 3000 Concentrator before 2.5.2(F), with encryption enabled, allows remote attackers to cause a denial of service (reload) via a Windows-based PPTP client with the "No Encryption" option set.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco VPN 3001 Concentrator | =2.0 | |
Cisco VPN 3001 Concentrator | =2.5.2.a | |
Cisco VPN 3001 Concentrator | =2.5.2.b | |
Cisco VPN 3001 Concentrator | =2.5.2.c | |
Cisco VPN 3001 Concentrator | =2.5.2.d | |
Cisco Secure Access Control Server | =2.6.3 | |
Cisco VPN 3002 Hardware Client |
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CVE-2002-1095 is classified as a denial of service vulnerability that can significantly disrupt Cisco VPN 3000 Concentrators.
CVE-2002-1095 allows remote attackers to trigger a reload of the Cisco VPN 3000 Concentrator by exploiting the 'No Encryption' option in a Windows-based PPTP client.
CVE-2002-1095 affects Cisco VPN 3000 Concentrator versions prior to 2.5.2(F) with encryption enabled.
Organizations can mitigate CVE-2002-1095 by upgrading their Cisco VPN 3000 Concentrator to version 2.5.2(F) or later.
A potential workaround for CVE-2002-1095 is to disable the use of the 'No Encryption' option in PPTP clients connecting to the Cisco VPN 3000 Concentrator.