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.

References

• https://nvd.nist.gov/vuln/detail/CVE-1999-1324
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7225
• http://ciac.llnl.gov/ciac/bulletins/d-06.shtml