Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.

CVEs (607)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2014-5414 1Beckhoff 2Embedded Pc Images Twincat May 6, 2026 Oct 5, 2016 N/A· v4 9.1 CRITICAL· v3 9.4 HIGH· v2 Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components do not restrict the number of authentication attempts, which makes it easier for remote attackers to obtain acces...Show more Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components do not restrict the number of authentication attempts, which makes it easier for remote attackers to obtain access via a brute-force attack.Show less
CVE-2002-0628 1Polycom 8Viewstation 128 Viewstation 512Viewstation Dcp+5 more Apr 16, 2026 Jan 7, 2003 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 The Telnet service for Polycom ViewStation before 7.2.4 does not restrict the number of failed login attempts, which makes it easier for remote attackers to guess usernames and passwords via a brute force attack.
CVE-2001-1291 13com 1Superstack Ii Ps Hub 40 Firmware Apr 16, 2026 Jul 12, 2001 N/A· v4 9.8 CRITICAL· v3 10.0 HIGH· v2 The telnet server for 3Com hardware such as PS40 SuperStack II does not delay or disconnect remote attackers who provide an incorrect username or password, which makes it easier to break into the server via brute force p...Show more The telnet server for 3Com hardware such as PS40 SuperStack II does not delay or disconnect remote attackers who provide an incorrect username or password, which makes it easier to break into the server via brute force password guessing.Show less
CVE-2001-0395 1Lightwavemo 1Consoleserver 3200 Firmware Apr 16, 2026 Jul 2, 2001 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 Lightwave ConsoleServer 3200 does not disconnect users after unsuccessful login attempts, which could allow remote attackers to conduct brute force password guessing.
CVE-2001-1339 1Anybus 1Ipc@chip Firmware Apr 16, 2026 May 24, 2001 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 Beck IPC GmbH IPC@CHIP telnet service does not delay or disconnect users from the service when bad passwords are entered, which makes it easier for remote attackers to conduct brute force password guessing attacks.
CVE-1999-1324 1Hp 1Openvms Vax Apr 16, 2026 Dec 31, 1999 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 VAXstations running Open VMS 5.3 through 5.5-2 with VMS DECwindows or MOTIF do not properly disable access to user accounts that exceed the break-in limit threshold for failed login attempts, which makes it easier for at...Show more VAXstations running Open VMS 5.3 through 5.5-2 with VMS DECwindows or MOTIF do not properly disable access to user accounts that exceed the break-in limit threshold for failed login attempts, which makes it easier for attackers to conduct brute force password guessing.Show less
CVE-1999-1152 1Compaq 1Microcom 6000 Firmware Apr 16, 2026 Jun 3, 1998 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Compaq/Microcom 6000 Access Integrator does not disconnect a client after a certain number of failed login attempts, which allows remote attackers to guess usernames or passwords via a brute force attack.

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