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CVE-2001-0427 — HIGH severity vulnerability (Cisco VPN 3000 series concentrators before 2.5.2(F) allow re)

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 IDCVE-2001-0427
SeverityHIGH
CVSS score7.1
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C
CWECWE-20
StatusModified
Published2001-06-18
Last modified2026-04-16
DescriptionCisco 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.
SourceNIST National Vulnerability Database

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