Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts.
CVE-2001-0427 is a security vulnerability that . Impacting 6 products from cisco, from cisco, from cisco and 3 others, organizations running these solutions should prioritize assessment and patching.
Originally identified in 2001, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.
2001-06-18T04:00:00.000
2026-04-16T00:27:16.627
Modified
CVSSv2: 7.1 (HIGH)
AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Hardware | cisco | vpn_3000_concentrator | * | Yes |
| Hardware | cisco | vpn_3005_concentrator | * | Yes |
| Hardware | cisco | vpn_3015_concentrator | * | Yes |
| Hardware | cisco | vpn_3030_concentator | * | Yes |
| Hardware | cisco | vpn_3060_concentrator | * | Yes |
| Hardware | cisco | vpn_3080_concentrator | * | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.